Lines Matching refs:info
529 static void hdlcdev_tx_done(SLMP_INFO *info);
530 static void hdlcdev_rx(SLMP_INFO *info, char *buf, int size);
531 static int hdlcdev_init(SLMP_INFO *info);
532 static void hdlcdev_exit(SLMP_INFO *info);
537 static int get_stats(SLMP_INFO *info, struct mgsl_icount __user *user_icount);
538 static int get_params(SLMP_INFO *info, MGSL_PARAMS __user *params);
539 static int set_params(SLMP_INFO *info, MGSL_PARAMS __user *params);
540 static int get_txidle(SLMP_INFO *info, int __user *idle_mode);
541 static int set_txidle(SLMP_INFO *info, int idle_mode);
542 static int tx_enable(SLMP_INFO *info, int enable);
543 static int tx_abort(SLMP_INFO *info);
544 static int rx_enable(SLMP_INFO *info, int enable);
545 static int modem_input_wait(SLMP_INFO *info,int arg);
546 static int wait_mgsl_event(SLMP_INFO *info, int __user *mask_ptr);
552 static void add_device(SLMP_INFO *info);
554 static int claim_resources(SLMP_INFO *info);
555 static void release_resources(SLMP_INFO *info);
557 static int startup(SLMP_INFO *info);
558 static int block_til_ready(struct tty_struct *tty, struct file * filp,SLMP_INFO *info);
560 static void shutdown(SLMP_INFO *info);
561 static void program_hw(SLMP_INFO *info);
562 static void change_params(SLMP_INFO *info);
564 static bool init_adapter(SLMP_INFO *info);
565 static bool register_test(SLMP_INFO *info);
566 static bool irq_test(SLMP_INFO *info);
567 static bool loopback_test(SLMP_INFO *info);
568 static int adapter_test(SLMP_INFO *info);
569 static bool memory_test(SLMP_INFO *info);
571 static void reset_adapter(SLMP_INFO *info);
572 static void reset_port(SLMP_INFO *info);
573 static void async_mode(SLMP_INFO *info);
574 static void hdlc_mode(SLMP_INFO *info);
576 static void rx_stop(SLMP_INFO *info);
577 static void rx_start(SLMP_INFO *info);
578 static void rx_reset_buffers(SLMP_INFO *info);
579 static void rx_free_frame_buffers(SLMP_INFO *info, unsigned int first, unsigned int last);
580 static bool rx_get_frame(SLMP_INFO *info);
582 static void tx_start(SLMP_INFO *info);
583 static void tx_stop(SLMP_INFO *info);
584 static void tx_load_fifo(SLMP_INFO *info);
585 static void tx_set_idle(SLMP_INFO *info);
586 static void tx_load_dma_buffer(SLMP_INFO *info, const char *buf, unsigned int count);
588 static void get_signals(SLMP_INFO *info);
589 static void set_signals(SLMP_INFO *info);
590 static void enable_loopback(SLMP_INFO *info, int enable);
591 static void set_rate(SLMP_INFO *info, u32 data_rate);
593 static int bh_action(SLMP_INFO *info);
595 static void bh_receive(SLMP_INFO *info);
596 static void bh_transmit(SLMP_INFO *info);
597 static void bh_status(SLMP_INFO *info);
598 static void isr_timer(SLMP_INFO *info);
599 static void isr_rxint(SLMP_INFO *info);
600 static void isr_rxrdy(SLMP_INFO *info);
601 static void isr_txint(SLMP_INFO *info);
602 static void isr_txrdy(SLMP_INFO *info);
603 static void isr_rxdmaok(SLMP_INFO *info);
604 static void isr_rxdmaerror(SLMP_INFO *info);
605 static void isr_txdmaok(SLMP_INFO *info);
606 static void isr_txdmaerror(SLMP_INFO *info);
607 static void isr_io_pin(SLMP_INFO *info, u16 status);
609 static int alloc_dma_bufs(SLMP_INFO *info);
610 static void free_dma_bufs(SLMP_INFO *info);
611 static int alloc_buf_list(SLMP_INFO *info);
612 static int alloc_frame_bufs(SLMP_INFO *info, SCADESC *list, SCADESC_EX *list_ex,int count);
613 static int alloc_tmp_rx_buf(SLMP_INFO *info);
614 static void free_tmp_rx_buf(SLMP_INFO *info);
616 static void load_pci_memory(SLMP_INFO *info, char* dest, const char* src, unsigned short count);
617 static void trace_block(SLMP_INFO *info, const char* data, int count, int xmit);
621 static unsigned char read_reg(SLMP_INFO *info, unsigned char addr);
622 static void write_reg(SLMP_INFO *info, unsigned char addr, unsigned char val);
623 static u16 read_reg16(SLMP_INFO *info, unsigned char addr);
624 static void write_reg16(SLMP_INFO *info, unsigned char addr, u16 val);
625 static unsigned char read_status_reg(SLMP_INFO * info);
626 static void write_control_reg(SLMP_INFO * info);
664 static inline int sanity_check(SLMP_INFO *info, in sanity_check() argument
673 if (!info) { in sanity_check()
677 if (info->magic != MGSL_MAGIC) { in sanity_check()
682 if (!info) in sanity_check()
715 SLMP_INFO *info; in install() local
724 info = synclinkmp_device_list; in install()
725 while (info && info->line != line) in install()
726 info = info->next_device; in install()
727 if (sanity_check(info, tty->name, "open")) in install()
729 if (info->init_error) { in install()
731 __FILE__, __LINE__, info->device_name, in install()
732 info->init_error); in install()
736 tty->driver_data = info; in install()
738 return tty_port_install(&info->port, driver, tty); in install()
745 SLMP_INFO *info = tty->driver_data; in open() local
749 info->port.tty = tty; in open()
753 __FILE__,__LINE__,tty->driver->name, info->port.count); in open()
756 if (info->port.flags & ASYNC_CLOSING){ in open()
757 wait_event_interruptible_tty(tty, info->port.close_wait, in open()
758 !(info->port.flags & ASYNC_CLOSING)); in open()
759 retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ? in open()
764 info->port.low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; in open()
766 spin_lock_irqsave(&info->netlock, flags); in open()
767 if (info->netcount) { in open()
769 spin_unlock_irqrestore(&info->netlock, flags); in open()
772 info->port.count++; in open()
773 spin_unlock_irqrestore(&info->netlock, flags); in open()
775 if (info->port.count == 1) { in open()
777 retval = startup(info); in open()
782 retval = block_til_ready(tty, filp, info); in open()
786 __FILE__,__LINE__, info->device_name, retval); in open()
792 __FILE__,__LINE__, info->device_name); in open()
798 info->port.tty = NULL; /* tty layer will release tty struct */ in open()
799 if(info->port.count) in open()
800 info->port.count--; in open()
811 SLMP_INFO * info = tty->driver_data; in close() local
813 if (sanity_check(info, tty->name, "close")) in close()
818 __FILE__,__LINE__, info->device_name, info->port.count); in close()
820 if (tty_port_close_start(&info->port, tty, filp) == 0) in close()
823 mutex_lock(&info->port.mutex); in close()
824 if (info->port.flags & ASYNC_INITIALIZED) in close()
825 wait_until_sent(tty, info->timeout); in close()
829 shutdown(info); in close()
830 mutex_unlock(&info->port.mutex); in close()
832 tty_port_close_end(&info->port, tty); in close()
833 info->port.tty = NULL; in close()
837 tty->driver->name, info->port.count); in close()
845 SLMP_INFO *info = tty->driver_data; in hangup() local
850 __FILE__,__LINE__, info->device_name ); in hangup()
852 if (sanity_check(info, tty->name, "hangup")) in hangup()
855 mutex_lock(&info->port.mutex); in hangup()
857 shutdown(info); in hangup()
859 spin_lock_irqsave(&info->port.lock, flags); in hangup()
860 info->port.count = 0; in hangup()
861 info->port.flags &= ~ASYNC_NORMAL_ACTIVE; in hangup()
862 info->port.tty = NULL; in hangup()
863 spin_unlock_irqrestore(&info->port.lock, flags); in hangup()
864 mutex_unlock(&info->port.mutex); in hangup()
866 wake_up_interruptible(&info->port.open_wait); in hangup()
873 SLMP_INFO *info = tty->driver_data; in set_termios() local
880 change_params(info); in set_termios()
885 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in set_termios()
886 spin_lock_irqsave(&info->lock,flags); in set_termios()
887 set_signals(info); in set_termios()
888 spin_unlock_irqrestore(&info->lock,flags); in set_termios()
894 info->serial_signals |= SerialSignal_DTR; in set_termios()
897 info->serial_signals |= SerialSignal_RTS; in set_termios()
899 spin_lock_irqsave(&info->lock,flags); in set_termios()
900 set_signals(info); in set_termios()
901 spin_unlock_irqrestore(&info->lock,flags); in set_termios()
926 SLMP_INFO *info = tty->driver_data; in write() local
931 __FILE__,__LINE__,info->device_name,count); in write()
933 if (sanity_check(info, tty->name, "write")) in write()
936 if (!info->tx_buf) in write()
939 if (info->params.mode == MGSL_MODE_HDLC) { in write()
940 if (count > info->max_frame_size) { in write()
944 if (info->tx_active) in write()
946 if (info->tx_count) { in write()
949 tx_load_dma_buffer(info, info->tx_buf, info->tx_count); in write()
952 ret = info->tx_count = count; in write()
953 tx_load_dma_buffer(info, buf, count); in write()
959 min(info->max_frame_size - info->tx_count - 1, in write()
960 info->max_frame_size - info->tx_put)); in write()
964 memcpy(info->tx_buf + info->tx_put, buf, c); in write()
966 spin_lock_irqsave(&info->lock,flags); in write()
967 info->tx_put += c; in write()
968 if (info->tx_put >= info->max_frame_size) in write()
969 info->tx_put -= info->max_frame_size; in write()
970 info->tx_count += c; in write()
971 spin_unlock_irqrestore(&info->lock,flags); in write()
978 if (info->params.mode == MGSL_MODE_HDLC) { in write()
980 ret = info->tx_count = 0; in write()
983 tx_load_dma_buffer(info, info->tx_buf, info->tx_count); in write()
986 if (info->tx_count && !tty->stopped && !tty->hw_stopped) { in write()
987 spin_lock_irqsave(&info->lock,flags); in write()
988 if (!info->tx_active) in write()
989 tx_start(info); in write()
990 spin_unlock_irqrestore(&info->lock,flags); in write()
996 __FILE__,__LINE__,info->device_name,ret); in write()
1004 SLMP_INFO *info = tty->driver_data; in put_char() local
1010 __FILE__,__LINE__,info->device_name,ch); in put_char()
1013 if (sanity_check(info, tty->name, "put_char")) in put_char()
1016 if (!info->tx_buf) in put_char()
1019 spin_lock_irqsave(&info->lock,flags); in put_char()
1021 if ( (info->params.mode != MGSL_MODE_HDLC) || in put_char()
1022 !info->tx_active ) { in put_char()
1024 if (info->tx_count < info->max_frame_size - 1) { in put_char()
1025 info->tx_buf[info->tx_put++] = ch; in put_char()
1026 if (info->tx_put >= info->max_frame_size) in put_char()
1027 info->tx_put -= info->max_frame_size; in put_char()
1028 info->tx_count++; in put_char()
1033 spin_unlock_irqrestore(&info->lock,flags); in put_char()
1041 SLMP_INFO *info = tty->driver_data; in send_xchar() local
1046 __FILE__,__LINE__, info->device_name, ch ); in send_xchar()
1048 if (sanity_check(info, tty->name, "send_xchar")) in send_xchar()
1051 info->x_char = ch; in send_xchar()
1054 spin_lock_irqsave(&info->lock,flags); in send_xchar()
1055 if (!info->tx_enabled) in send_xchar()
1056 tx_start(info); in send_xchar()
1057 spin_unlock_irqrestore(&info->lock,flags); in send_xchar()
1065 SLMP_INFO * info = tty->driver_data; in wait_until_sent() local
1068 if (!info ) in wait_until_sent()
1073 __FILE__,__LINE__, info->device_name ); in wait_until_sent()
1075 if (sanity_check(info, tty->name, "wait_until_sent")) in wait_until_sent()
1078 if (!test_bit(ASYNCB_INITIALIZED, &info->port.flags)) in wait_until_sent()
1089 if ( info->params.data_rate ) { in wait_until_sent()
1090 char_time = info->timeout/(32 * 5); in wait_until_sent()
1099 if ( info->params.mode == MGSL_MODE_HDLC ) { in wait_until_sent()
1100 while (info->tx_active) { in wait_until_sent()
1112 while ( info->tx_active && info->tx_enabled) { in wait_until_sent()
1124 __FILE__,__LINE__, info->device_name ); in wait_until_sent()
1131 SLMP_INFO *info = tty->driver_data; in write_room() local
1134 if (sanity_check(info, tty->name, "write_room")) in write_room()
1137 if (info->params.mode == MGSL_MODE_HDLC) { in write_room()
1138 ret = (info->tx_active) ? 0 : HDLC_MAX_FRAME_SIZE; in write_room()
1140 ret = info->max_frame_size - info->tx_count - 1; in write_room()
1147 __FILE__, __LINE__, info->device_name, ret); in write_room()
1156 SLMP_INFO *info = tty->driver_data; in flush_chars() local
1161 __FILE__,__LINE__,info->device_name,info->tx_count); in flush_chars()
1163 if (sanity_check(info, tty->name, "flush_chars")) in flush_chars()
1166 if (info->tx_count <= 0 || tty->stopped || tty->hw_stopped || in flush_chars()
1167 !info->tx_buf) in flush_chars()
1172 __FILE__,__LINE__,info->device_name ); in flush_chars()
1174 spin_lock_irqsave(&info->lock,flags); in flush_chars()
1176 if (!info->tx_active) { in flush_chars()
1177 if ( (info->params.mode == MGSL_MODE_HDLC) && in flush_chars()
1178 info->tx_count ) { in flush_chars()
1182 tx_load_dma_buffer(info, in flush_chars()
1183 info->tx_buf,info->tx_count); in flush_chars()
1185 tx_start(info); in flush_chars()
1188 spin_unlock_irqrestore(&info->lock,flags); in flush_chars()
1195 SLMP_INFO *info = tty->driver_data; in flush_buffer() local
1200 __FILE__,__LINE__, info->device_name ); in flush_buffer()
1202 if (sanity_check(info, tty->name, "flush_buffer")) in flush_buffer()
1205 spin_lock_irqsave(&info->lock,flags); in flush_buffer()
1206 info->tx_count = info->tx_put = info->tx_get = 0; in flush_buffer()
1207 del_timer(&info->tx_timer); in flush_buffer()
1208 spin_unlock_irqrestore(&info->lock,flags); in flush_buffer()
1217 SLMP_INFO *info = tty->driver_data; in tx_hold() local
1220 if (sanity_check(info, tty->name, "tx_hold")) in tx_hold()
1225 __FILE__,__LINE__,info->device_name); in tx_hold()
1227 spin_lock_irqsave(&info->lock,flags); in tx_hold()
1228 if (info->tx_enabled) in tx_hold()
1229 tx_stop(info); in tx_hold()
1230 spin_unlock_irqrestore(&info->lock,flags); in tx_hold()
1237 SLMP_INFO *info = tty->driver_data; in tx_release() local
1240 if (sanity_check(info, tty->name, "tx_release")) in tx_release()
1245 __FILE__,__LINE__,info->device_name); in tx_release()
1247 spin_lock_irqsave(&info->lock,flags); in tx_release()
1248 if (!info->tx_enabled) in tx_release()
1249 tx_start(info); in tx_release()
1250 spin_unlock_irqrestore(&info->lock,flags); in tx_release()
1266 SLMP_INFO *info = tty->driver_data; in ioctl() local
1271 info->device_name, cmd ); in ioctl()
1273 if (sanity_check(info, tty->name, "ioctl")) in ioctl()
1284 return get_params(info, argp); in ioctl()
1286 return set_params(info, argp); in ioctl()
1288 return get_txidle(info, argp); in ioctl()
1290 return set_txidle(info, (int)arg); in ioctl()
1292 return tx_enable(info, (int)arg); in ioctl()
1294 return rx_enable(info, (int)arg); in ioctl()
1296 return tx_abort(info); in ioctl()
1298 return get_stats(info, argp); in ioctl()
1300 return wait_mgsl_event(info, argp); in ioctl()
1307 return modem_input_wait(info,(int)arg); in ioctl()
1324 SLMP_INFO *info = tty->driver_data; in get_icount() local
1328 spin_lock_irqsave(&info->lock,flags); in get_icount()
1329 cnow = info->icount; in get_icount()
1330 spin_unlock_irqrestore(&info->lock,flags); in get_icount()
1351 static inline void line_info(struct seq_file *m, SLMP_INFO *info) in line_info() argument
1358 info->device_name, in line_info()
1359 info->phys_sca_base, in line_info()
1360 info->phys_memory_base, in line_info()
1361 info->phys_statctrl_base, in line_info()
1362 info->phys_lcr_base, in line_info()
1363 info->irq_level, in line_info()
1364 info->max_frame_size ); in line_info()
1367 spin_lock_irqsave(&info->lock,flags); in line_info()
1368 get_signals(info); in line_info()
1369 spin_unlock_irqrestore(&info->lock,flags); in line_info()
1373 if (info->serial_signals & SerialSignal_RTS) in line_info()
1375 if (info->serial_signals & SerialSignal_CTS) in line_info()
1377 if (info->serial_signals & SerialSignal_DTR) in line_info()
1379 if (info->serial_signals & SerialSignal_DSR) in line_info()
1381 if (info->serial_signals & SerialSignal_DCD) in line_info()
1383 if (info->serial_signals & SerialSignal_RI) in line_info()
1386 if (info->params.mode == MGSL_MODE_HDLC) { in line_info()
1388 info->icount.txok, info->icount.rxok); in line_info()
1389 if (info->icount.txunder) in line_info()
1390 seq_printf(m, " txunder:%d", info->icount.txunder); in line_info()
1391 if (info->icount.txabort) in line_info()
1392 seq_printf(m, " txabort:%d", info->icount.txabort); in line_info()
1393 if (info->icount.rxshort) in line_info()
1394 seq_printf(m, " rxshort:%d", info->icount.rxshort); in line_info()
1395 if (info->icount.rxlong) in line_info()
1396 seq_printf(m, " rxlong:%d", info->icount.rxlong); in line_info()
1397 if (info->icount.rxover) in line_info()
1398 seq_printf(m, " rxover:%d", info->icount.rxover); in line_info()
1399 if (info->icount.rxcrc) in line_info()
1400 seq_printf(m, " rxlong:%d", info->icount.rxcrc); in line_info()
1403 info->icount.tx, info->icount.rx); in line_info()
1404 if (info->icount.frame) in line_info()
1405 seq_printf(m, " fe:%d", info->icount.frame); in line_info()
1406 if (info->icount.parity) in line_info()
1407 seq_printf(m, " pe:%d", info->icount.parity); in line_info()
1408 if (info->icount.brk) in line_info()
1409 seq_printf(m, " brk:%d", info->icount.brk); in line_info()
1410 if (info->icount.overrun) in line_info()
1411 seq_printf(m, " oe:%d", info->icount.overrun); in line_info()
1418 info->tx_active,info->bh_requested,info->bh_running, in line_info()
1419 info->pending_bh); in line_info()
1426 SLMP_INFO *info; in synclinkmp_proc_show() local
1430 info = synclinkmp_device_list; in synclinkmp_proc_show()
1431 while( info ) { in synclinkmp_proc_show()
1432 line_info(m, info); in synclinkmp_proc_show()
1433 info = info->next_device; in synclinkmp_proc_show()
1455 SLMP_INFO *info = tty->driver_data; in chars_in_buffer() local
1457 if (sanity_check(info, tty->name, "chars_in_buffer")) in chars_in_buffer()
1462 __FILE__, __LINE__, info->device_name, info->tx_count); in chars_in_buffer()
1464 return info->tx_count; in chars_in_buffer()
1471 SLMP_INFO *info = tty->driver_data; in throttle() local
1476 __FILE__,__LINE__, info->device_name ); in throttle()
1478 if (sanity_check(info, tty->name, "throttle")) in throttle()
1485 spin_lock_irqsave(&info->lock,flags); in throttle()
1486 info->serial_signals &= ~SerialSignal_RTS; in throttle()
1487 set_signals(info); in throttle()
1488 spin_unlock_irqrestore(&info->lock,flags); in throttle()
1496 SLMP_INFO *info = tty->driver_data; in unthrottle() local
1501 __FILE__,__LINE__, info->device_name ); in unthrottle()
1503 if (sanity_check(info, tty->name, "unthrottle")) in unthrottle()
1507 if (info->x_char) in unthrottle()
1508 info->x_char = 0; in unthrottle()
1514 spin_lock_irqsave(&info->lock,flags); in unthrottle()
1515 info->serial_signals |= SerialSignal_RTS; in unthrottle()
1516 set_signals(info); in unthrottle()
1517 spin_unlock_irqrestore(&info->lock,flags); in unthrottle()
1527 SLMP_INFO * info = tty->driver_data; in set_break() local
1532 __FILE__,__LINE__, info->device_name, break_state); in set_break()
1534 if (sanity_check(info, tty->name, "set_break")) in set_break()
1537 spin_lock_irqsave(&info->lock,flags); in set_break()
1538 RegValue = read_reg(info, CTL); in set_break()
1543 write_reg(info, CTL, RegValue); in set_break()
1544 spin_unlock_irqrestore(&info->lock,flags); in set_break()
1563 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_attach() local
1568 if (info->port.count) in hdlcdev_attach()
1589 info->params.encoding = new_encoding; in hdlcdev_attach()
1590 info->params.crc_type = new_crctype; in hdlcdev_attach()
1593 if (info->netcount) in hdlcdev_attach()
1594 program_hw(info); in hdlcdev_attach()
1608 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_xmit() local
1618 info->tx_count = skb->len; in hdlcdev_xmit()
1619 tx_load_dma_buffer(info, skb->data, skb->len); in hdlcdev_xmit()
1632 spin_lock_irqsave(&info->lock,flags); in hdlcdev_xmit()
1633 if (!info->tx_active) in hdlcdev_xmit()
1634 tx_start(info); in hdlcdev_xmit()
1635 spin_unlock_irqrestore(&info->lock,flags); in hdlcdev_xmit()
1650 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_open() local
1662 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_open()
1663 if (info->port.count != 0 || info->netcount != 0) { in hdlcdev_open()
1665 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1668 info->netcount=1; in hdlcdev_open()
1669 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1672 if ((rc = startup(info)) != 0) { in hdlcdev_open()
1673 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_open()
1674 info->netcount=0; in hdlcdev_open()
1675 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1680 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in hdlcdev_open()
1681 program_hw(info); in hdlcdev_open()
1688 spin_lock_irqsave(&info->lock, flags); in hdlcdev_open()
1689 get_signals(info); in hdlcdev_open()
1690 spin_unlock_irqrestore(&info->lock, flags); in hdlcdev_open()
1691 if (info->serial_signals & SerialSignal_DCD) in hdlcdev_open()
1708 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_close() local
1717 shutdown(info); in hdlcdev_close()
1721 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_close()
1722 info->netcount=0; in hdlcdev_close()
1723 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_close()
1742 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_ioctl() local
1749 if (info->port.count) in hdlcdev_ioctl()
1764 flags = info->params.flags & (HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | in hdlcdev_ioctl()
1778 new_line.clock_rate = info->params.clock_speed; in hdlcdev_ioctl()
1779 new_line.loopback = info->params.loopback ? 1:0; in hdlcdev_ioctl()
1798 case CLOCK_DEFAULT: flags = info->params.flags & in hdlcdev_ioctl()
1809 info->params.flags &= ~(HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | in hdlcdev_ioctl()
1813 info->params.flags |= flags; in hdlcdev_ioctl()
1815 info->params.loopback = new_line.loopback; in hdlcdev_ioctl()
1818 info->params.clock_speed = new_line.clock_rate; in hdlcdev_ioctl()
1820 info->params.clock_speed = 0; in hdlcdev_ioctl()
1823 if (info->netcount) in hdlcdev_ioctl()
1824 program_hw(info); in hdlcdev_ioctl()
1839 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_tx_timeout() local
1848 spin_lock_irqsave(&info->lock,flags); in hdlcdev_tx_timeout()
1849 tx_stop(info); in hdlcdev_tx_timeout()
1850 spin_unlock_irqrestore(&info->lock,flags); in hdlcdev_tx_timeout()
1861 static void hdlcdev_tx_done(SLMP_INFO *info) in hdlcdev_tx_done() argument
1863 if (netif_queue_stopped(info->netdev)) in hdlcdev_tx_done()
1864 netif_wake_queue(info->netdev); in hdlcdev_tx_done()
1875 static void hdlcdev_rx(SLMP_INFO *info, char *buf, int size) in hdlcdev_rx() argument
1878 struct net_device *dev = info->netdev; in hdlcdev_rx()
1917 static int hdlcdev_init(SLMP_INFO *info) in hdlcdev_init() argument
1925 if (!(dev = alloc_hdlcdev(info))) { in hdlcdev_init()
1931 dev->mem_start = info->phys_sca_base; in hdlcdev_init()
1932 dev->mem_end = info->phys_sca_base + SCA_BASE_SIZE - 1; in hdlcdev_init()
1933 dev->irq = info->irq_level; in hdlcdev_init()
1952 info->netdev = dev; in hdlcdev_init()
1962 static void hdlcdev_exit(SLMP_INFO *info) in hdlcdev_exit() argument
1964 unregister_hdlc_device(info->netdev); in hdlcdev_exit()
1965 free_netdev(info->netdev); in hdlcdev_exit()
1966 info->netdev = NULL; in hdlcdev_exit()
1975 static int bh_action(SLMP_INFO *info) in bh_action() argument
1980 spin_lock_irqsave(&info->lock,flags); in bh_action()
1982 if (info->pending_bh & BH_RECEIVE) { in bh_action()
1983 info->pending_bh &= ~BH_RECEIVE; in bh_action()
1985 } else if (info->pending_bh & BH_TRANSMIT) { in bh_action()
1986 info->pending_bh &= ~BH_TRANSMIT; in bh_action()
1988 } else if (info->pending_bh & BH_STATUS) { in bh_action()
1989 info->pending_bh &= ~BH_STATUS; in bh_action()
1995 info->bh_running = false; in bh_action()
1996 info->bh_requested = false; in bh_action()
1999 spin_unlock_irqrestore(&info->lock,flags); in bh_action()
2008 SLMP_INFO *info = container_of(work, SLMP_INFO, task); in bh_handler() local
2013 __FILE__,__LINE__,info->device_name); in bh_handler()
2015 info->bh_running = true; in bh_handler()
2017 while((action = bh_action(info)) != 0) { in bh_handler()
2022 __FILE__,__LINE__,info->device_name, action); in bh_handler()
2027 bh_receive(info); in bh_handler()
2030 bh_transmit(info); in bh_handler()
2033 bh_status(info); in bh_handler()
2038 __FILE__,__LINE__,info->device_name,action); in bh_handler()
2045 __FILE__,__LINE__,info->device_name); in bh_handler()
2048 static void bh_receive(SLMP_INFO *info) in bh_receive() argument
2052 __FILE__,__LINE__,info->device_name); in bh_receive()
2054 while( rx_get_frame(info) ); in bh_receive()
2057 static void bh_transmit(SLMP_INFO *info) in bh_transmit() argument
2059 struct tty_struct *tty = info->port.tty; in bh_transmit()
2063 __FILE__,__LINE__,info->device_name); in bh_transmit()
2069 static void bh_status(SLMP_INFO *info) in bh_status() argument
2073 __FILE__,__LINE__,info->device_name); in bh_status()
2075 info->ri_chkcount = 0; in bh_status()
2076 info->dsr_chkcount = 0; in bh_status()
2077 info->dcd_chkcount = 0; in bh_status()
2078 info->cts_chkcount = 0; in bh_status()
2081 static void isr_timer(SLMP_INFO * info) in isr_timer() argument
2083 unsigned char timer = (info->port_num & 1) ? TIMER2 : TIMER0; in isr_timer()
2086 write_reg(info, IER2, 0); in isr_timer()
2098 write_reg(info, (unsigned char)(timer + TMCS), 0); in isr_timer()
2100 info->irq_occurred = true; in isr_timer()
2104 __FILE__,__LINE__,info->device_name); in isr_timer()
2107 static void isr_rxint(SLMP_INFO * info) in isr_rxint() argument
2109 struct tty_struct *tty = info->port.tty; in isr_rxint()
2110 struct mgsl_icount *icount = &info->icount; in isr_rxint()
2111 unsigned char status = read_reg(info, SR1) & info->ie1_value & (FLGD + IDLD + CDCD + BRKD); in isr_rxint()
2112 unsigned char status2 = read_reg(info, SR2) & info->ie2_value & OVRN; in isr_rxint()
2116 write_reg(info, SR1, status); in isr_rxint()
2119 write_reg(info, SR2, status2); in isr_rxint()
2123 __FILE__,__LINE__,info->device_name,status,status2); in isr_rxint()
2125 if (info->params.mode == MGSL_MODE_ASYNC) { in isr_rxint()
2132 if (!(status & info->ignore_status_mask1)) { in isr_rxint()
2133 if (info->read_status_mask1 & BRKD) { in isr_rxint()
2134 tty_insert_flip_char(&info->port, 0, TTY_BREAK); in isr_rxint()
2135 if (tty && (info->port.flags & ASYNC_SAK)) in isr_rxint()
2144 info->icount.exithunt++; in isr_rxint()
2146 info->icount.rxidle++; in isr_rxint()
2147 wake_up_interruptible(&info->event_wait_q); in isr_rxint()
2155 get_signals( info ); in isr_rxint()
2156 isr_io_pin(info, in isr_rxint()
2157 MISCSTATUS_DCD_LATCHED|(info->serial_signals&SerialSignal_DCD)); in isr_rxint()
2164 static void isr_rxrdy(SLMP_INFO * info) in isr_rxrdy() argument
2168 struct mgsl_icount *icount = &info->icount; in isr_rxrdy()
2172 __FILE__,__LINE__,info->device_name); in isr_rxrdy()
2174 while((status = read_reg(info,CST0)) & BIT0) in isr_rxrdy()
2178 DataByte = read_reg(info,TRB); in isr_rxrdy()
2184 __FILE__,__LINE__,info->device_name,status); in isr_rxrdy()
2195 if (status & info->ignore_status_mask2) in isr_rxrdy()
2198 status &= info->read_status_mask2; in isr_rxrdy()
2213 tty_insert_flip_char(&info->port, DataByte, flag); in isr_rxrdy()
2215 tty_insert_flip_char(&info->port, 0, TTY_OVERRUN); in isr_rxrdy()
2220 __FILE__,__LINE__,info->device_name, in isr_rxrdy()
2225 tty_flip_buffer_push(&info->port); in isr_rxrdy()
2228 static void isr_txeom(SLMP_INFO * info, unsigned char status) in isr_txeom() argument
2232 __FILE__,__LINE__,info->device_name,status); in isr_txeom()
2234 write_reg(info, TXDMA + DIR, 0x00); /* disable Tx DMA IRQs */ in isr_txeom()
2235 write_reg(info, TXDMA + DSR, 0xc0); /* clear IRQs and disable DMA */ in isr_txeom()
2236 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in isr_txeom()
2239 write_reg(info, CMD, TXRESET); in isr_txeom()
2240 write_reg(info, CMD, TXENABLE); in isr_txeom()
2242 write_reg(info, CMD, TXBUFCLR); in isr_txeom()
2245 info->ie0_value &= ~TXRDYE; in isr_txeom()
2246 info->ie1_value &= ~(IDLE + UDRN); in isr_txeom()
2247 write_reg16(info, IE0, (unsigned short)((info->ie1_value << 8) + info->ie0_value)); in isr_txeom()
2248 write_reg(info, SR1, (unsigned char)(UDRN + IDLE)); in isr_txeom()
2250 if ( info->tx_active ) { in isr_txeom()
2251 if (info->params.mode != MGSL_MODE_ASYNC) { in isr_txeom()
2253 info->icount.txunder++; in isr_txeom()
2255 info->icount.txok++; in isr_txeom()
2258 info->tx_active = false; in isr_txeom()
2259 info->tx_count = info->tx_put = info->tx_get = 0; in isr_txeom()
2261 del_timer(&info->tx_timer); in isr_txeom()
2263 if (info->params.mode != MGSL_MODE_ASYNC && info->drop_rts_on_tx_done ) { in isr_txeom()
2264 info->serial_signals &= ~SerialSignal_RTS; in isr_txeom()
2265 info->drop_rts_on_tx_done = false; in isr_txeom()
2266 set_signals(info); in isr_txeom()
2270 if (info->netcount) in isr_txeom()
2271 hdlcdev_tx_done(info); in isr_txeom()
2275 if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { in isr_txeom()
2276 tx_stop(info); in isr_txeom()
2279 info->pending_bh |= BH_TRANSMIT; in isr_txeom()
2288 static void isr_txint(SLMP_INFO * info) in isr_txint() argument
2290 unsigned char status = read_reg(info, SR1) & info->ie1_value & (UDRN + IDLE + CCTS); in isr_txint()
2293 write_reg(info, SR1, status); in isr_txint()
2297 __FILE__,__LINE__,info->device_name,status); in isr_txint()
2300 isr_txeom(info, status); in isr_txint()
2306 get_signals( info ); in isr_txint()
2307 isr_io_pin(info, in isr_txint()
2308 MISCSTATUS_CTS_LATCHED|(info->serial_signals&SerialSignal_CTS)); in isr_txint()
2316 static void isr_txrdy(SLMP_INFO * info) in isr_txrdy() argument
2320 __FILE__,__LINE__,info->device_name,info->tx_count); in isr_txrdy()
2322 if (info->params.mode != MGSL_MODE_ASYNC) { in isr_txrdy()
2324 info->ie0_value &= ~TXRDYE; in isr_txrdy()
2325 info->ie1_value |= IDLE; in isr_txrdy()
2326 write_reg16(info, IE0, (unsigned short)((info->ie1_value << 8) + info->ie0_value)); in isr_txrdy()
2330 if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { in isr_txrdy()
2331 tx_stop(info); in isr_txrdy()
2335 if ( info->tx_count ) in isr_txrdy()
2336 tx_load_fifo( info ); in isr_txrdy()
2338 info->tx_active = false; in isr_txrdy()
2339 info->ie0_value &= ~TXRDYE; in isr_txrdy()
2340 write_reg(info, IE0, info->ie0_value); in isr_txrdy()
2343 if (info->tx_count < WAKEUP_CHARS) in isr_txrdy()
2344 info->pending_bh |= BH_TRANSMIT; in isr_txrdy()
2347 static void isr_rxdmaok(SLMP_INFO * info) in isr_rxdmaok() argument
2352 unsigned char status = read_reg(info,RXDMA + DSR) & 0xc0; in isr_rxdmaok()
2355 write_reg(info, RXDMA + DSR, (unsigned char)(status | 1)); in isr_rxdmaok()
2359 __FILE__,__LINE__,info->device_name,status); in isr_rxdmaok()
2361 info->pending_bh |= BH_RECEIVE; in isr_rxdmaok()
2364 static void isr_rxdmaerror(SLMP_INFO * info) in isr_rxdmaerror() argument
2369 unsigned char status = read_reg(info,RXDMA + DSR) & 0x30; in isr_rxdmaerror()
2372 write_reg(info, RXDMA + DSR, (unsigned char)(status | 1)); in isr_rxdmaerror()
2376 __FILE__,__LINE__,info->device_name,status); in isr_rxdmaerror()
2378 info->rx_overflow = true; in isr_rxdmaerror()
2379 info->pending_bh |= BH_RECEIVE; in isr_rxdmaerror()
2382 static void isr_txdmaok(SLMP_INFO * info) in isr_txdmaok() argument
2384 unsigned char status_reg1 = read_reg(info, SR1); in isr_txdmaok()
2386 write_reg(info, TXDMA + DIR, 0x00); /* disable Tx DMA IRQs */ in isr_txdmaok()
2387 write_reg(info, TXDMA + DSR, 0xc0); /* clear IRQs and disable DMA */ in isr_txdmaok()
2388 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in isr_txdmaok()
2392 __FILE__,__LINE__,info->device_name,status_reg1); in isr_txdmaok()
2395 write_reg16(info, TRC0, 0); in isr_txdmaok()
2396 info->ie0_value |= TXRDYE; in isr_txdmaok()
2397 write_reg(info, IE0, info->ie0_value); in isr_txdmaok()
2400 static void isr_txdmaerror(SLMP_INFO * info) in isr_txdmaerror() argument
2405 unsigned char status = read_reg(info,TXDMA + DSR) & 0x30; in isr_txdmaerror()
2408 write_reg(info, TXDMA + DSR, (unsigned char)(status | 1)); in isr_txdmaerror()
2412 __FILE__,__LINE__,info->device_name,status); in isr_txdmaerror()
2417 static void isr_io_pin( SLMP_INFO *info, u16 status ) in isr_io_pin() argument
2427 icount = &info->icount; in isr_io_pin()
2432 info->input_signal_events.ri_up++; in isr_io_pin()
2434 info->input_signal_events.ri_down++; in isr_io_pin()
2439 info->input_signal_events.dsr_up++; in isr_io_pin()
2441 info->input_signal_events.dsr_down++; in isr_io_pin()
2444 if ((info->dcd_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT) { in isr_io_pin()
2445 info->ie1_value &= ~CDCD; in isr_io_pin()
2446 write_reg(info, IE1, info->ie1_value); in isr_io_pin()
2450 info->input_signal_events.dcd_up++; in isr_io_pin()
2452 info->input_signal_events.dcd_down++; in isr_io_pin()
2454 if (info->netcount) { in isr_io_pin()
2456 netif_carrier_on(info->netdev); in isr_io_pin()
2458 netif_carrier_off(info->netdev); in isr_io_pin()
2464 if ((info->cts_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT) { in isr_io_pin()
2465 info->ie1_value &= ~CCTS; in isr_io_pin()
2466 write_reg(info, IE1, info->ie1_value); in isr_io_pin()
2470 info->input_signal_events.cts_up++; in isr_io_pin()
2472 info->input_signal_events.cts_down++; in isr_io_pin()
2474 wake_up_interruptible(&info->status_event_wait_q); in isr_io_pin()
2475 wake_up_interruptible(&info->event_wait_q); in isr_io_pin()
2477 if ( (info->port.flags & ASYNC_CHECK_CD) && in isr_io_pin()
2480 printk("%s CD now %s...", info->device_name, in isr_io_pin()
2483 wake_up_interruptible(&info->port.open_wait); in isr_io_pin()
2487 if (info->port.tty) in isr_io_pin()
2488 tty_hangup(info->port.tty); in isr_io_pin()
2492 if (tty_port_cts_enabled(&info->port) && in isr_io_pin()
2494 if ( info->port.tty ) { in isr_io_pin()
2495 if (info->port.tty->hw_stopped) { in isr_io_pin()
2499 info->port.tty->hw_stopped = 0; in isr_io_pin()
2500 tx_start(info); in isr_io_pin()
2501 info->pending_bh |= BH_TRANSMIT; in isr_io_pin()
2508 info->port.tty->hw_stopped = 1; in isr_io_pin()
2509 tx_stop(info); in isr_io_pin()
2516 info->pending_bh |= BH_STATUS; in isr_io_pin()
2528 SLMP_INFO *info = dev_id; in synclinkmp_interrupt() local
2538 __FILE__, __LINE__, info->irq_level); in synclinkmp_interrupt()
2540 spin_lock(&info->lock); in synclinkmp_interrupt()
2545 tmp = read_reg16(info, ISR0); /* get ISR0 and ISR1 in one read */ in synclinkmp_interrupt()
2548 timerstatus0 = read_reg(info, ISR2); in synclinkmp_interrupt()
2552 __FILE__, __LINE__, info->device_name, in synclinkmp_interrupt()
2555 if (info->port_count == 4) { in synclinkmp_interrupt()
2557 tmp = read_reg16(info->port_array[2], ISR0); in synclinkmp_interrupt()
2560 timerstatus1 = read_reg(info->port_array[2], ISR2); in synclinkmp_interrupt()
2564 __FILE__,__LINE__,info->device_name, in synclinkmp_interrupt()
2572 for(i=0; i < info->port_count ; i++) { in synclinkmp_interrupt()
2573 if (info->port_array[i] == NULL) in synclinkmp_interrupt()
2586 isr_rxrdy(info->port_array[i]); in synclinkmp_interrupt()
2588 isr_txrdy(info->port_array[i]); in synclinkmp_interrupt()
2590 isr_rxint(info->port_array[i]); in synclinkmp_interrupt()
2592 isr_txint(info->port_array[i]); in synclinkmp_interrupt()
2595 isr_rxdmaerror(info->port_array[i]); in synclinkmp_interrupt()
2597 isr_rxdmaok(info->port_array[i]); in synclinkmp_interrupt()
2599 isr_txdmaerror(info->port_array[i]); in synclinkmp_interrupt()
2601 isr_txdmaok(info->port_array[i]); in synclinkmp_interrupt()
2605 isr_timer(info->port_array[0]); in synclinkmp_interrupt()
2607 isr_timer(info->port_array[1]); in synclinkmp_interrupt()
2609 isr_timer(info->port_array[2]); in synclinkmp_interrupt()
2611 isr_timer(info->port_array[3]); in synclinkmp_interrupt()
2614 for(i=0; i < info->port_count ; i++) { in synclinkmp_interrupt()
2615 SLMP_INFO * port = info->port_array[i]; in synclinkmp_interrupt()
2635 spin_unlock(&info->lock); in synclinkmp_interrupt()
2639 __FILE__, __LINE__, info->irq_level); in synclinkmp_interrupt()
2645 static int startup(SLMP_INFO * info) in startup() argument
2648 printk("%s(%d):%s tx_releaseup()\n",__FILE__,__LINE__,info->device_name); in startup()
2650 if (info->port.flags & ASYNC_INITIALIZED) in startup()
2653 if (!info->tx_buf) { in startup()
2654 info->tx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); in startup()
2655 if (!info->tx_buf) { in startup()
2657 __FILE__,__LINE__,info->device_name); in startup()
2662 info->pending_bh = 0; in startup()
2664 memset(&info->icount, 0, sizeof(info->icount)); in startup()
2667 reset_port(info); in startup()
2669 change_params(info); in startup()
2671 mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10)); in startup()
2673 if (info->port.tty) in startup()
2674 clear_bit(TTY_IO_ERROR, &info->port.tty->flags); in startup()
2676 info->port.flags |= ASYNC_INITIALIZED; in startup()
2683 static void shutdown(SLMP_INFO * info) in shutdown() argument
2687 if (!(info->port.flags & ASYNC_INITIALIZED)) in shutdown()
2692 __FILE__,__LINE__, info->device_name ); in shutdown()
2696 wake_up_interruptible(&info->status_event_wait_q); in shutdown()
2697 wake_up_interruptible(&info->event_wait_q); in shutdown()
2699 del_timer(&info->tx_timer); in shutdown()
2700 del_timer(&info->status_timer); in shutdown()
2702 kfree(info->tx_buf); in shutdown()
2703 info->tx_buf = NULL; in shutdown()
2705 spin_lock_irqsave(&info->lock,flags); in shutdown()
2707 reset_port(info); in shutdown()
2709 if (!info->port.tty || info->port.tty->termios.c_cflag & HUPCL) { in shutdown()
2710 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in shutdown()
2711 set_signals(info); in shutdown()
2714 spin_unlock_irqrestore(&info->lock,flags); in shutdown()
2716 if (info->port.tty) in shutdown()
2717 set_bit(TTY_IO_ERROR, &info->port.tty->flags); in shutdown()
2719 info->port.flags &= ~ASYNC_INITIALIZED; in shutdown()
2722 static void program_hw(SLMP_INFO *info) in program_hw() argument
2726 spin_lock_irqsave(&info->lock,flags); in program_hw()
2728 rx_stop(info); in program_hw()
2729 tx_stop(info); in program_hw()
2731 info->tx_count = info->tx_put = info->tx_get = 0; in program_hw()
2733 if (info->params.mode == MGSL_MODE_HDLC || info->netcount) in program_hw()
2734 hdlc_mode(info); in program_hw()
2736 async_mode(info); in program_hw()
2738 set_signals(info); in program_hw()
2740 info->dcd_chkcount = 0; in program_hw()
2741 info->cts_chkcount = 0; in program_hw()
2742 info->ri_chkcount = 0; in program_hw()
2743 info->dsr_chkcount = 0; in program_hw()
2745 info->ie1_value |= (CDCD|CCTS); in program_hw()
2746 write_reg(info, IE1, info->ie1_value); in program_hw()
2748 get_signals(info); in program_hw()
2750 if (info->netcount || (info->port.tty && info->port.tty->termios.c_cflag & CREAD) ) in program_hw()
2751 rx_start(info); in program_hw()
2753 spin_unlock_irqrestore(&info->lock,flags); in program_hw()
2758 static void change_params(SLMP_INFO *info) in change_params() argument
2763 if (!info->port.tty) in change_params()
2768 __FILE__,__LINE__, info->device_name ); in change_params()
2770 cflag = info->port.tty->termios.c_cflag; in change_params()
2775 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in change_params()
2777 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in change_params()
2782 case CS5: info->params.data_bits = 5; break; in change_params()
2783 case CS6: info->params.data_bits = 6; break; in change_params()
2784 case CS7: info->params.data_bits = 7; break; in change_params()
2785 case CS8: info->params.data_bits = 8; break; in change_params()
2787 default: info->params.data_bits = 7; break; in change_params()
2791 info->params.stop_bits = 2; in change_params()
2793 info->params.stop_bits = 1; in change_params()
2795 info->params.parity = ASYNC_PARITY_NONE; in change_params()
2798 info->params.parity = ASYNC_PARITY_ODD; in change_params()
2800 info->params.parity = ASYNC_PARITY_EVEN; in change_params()
2803 info->params.parity = ASYNC_PARITY_SPACE; in change_params()
2810 bits_per_char = info->params.data_bits + in change_params()
2811 info->params.stop_bits + 1; in change_params()
2817 if (info->params.data_rate <= 460800) { in change_params()
2818 info->params.data_rate = tty_get_baud_rate(info->port.tty); in change_params()
2821 if ( info->params.data_rate ) { in change_params()
2822 info->timeout = (32*HZ*bits_per_char) / in change_params()
2823 info->params.data_rate; in change_params()
2825 info->timeout += HZ/50; /* Add .02 seconds of slop */ in change_params()
2828 info->port.flags |= ASYNC_CTS_FLOW; in change_params()
2830 info->port.flags &= ~ASYNC_CTS_FLOW; in change_params()
2833 info->port.flags &= ~ASYNC_CHECK_CD; in change_params()
2835 info->port.flags |= ASYNC_CHECK_CD; in change_params()
2839 info->read_status_mask2 = OVRN; in change_params()
2840 if (I_INPCK(info->port.tty)) in change_params()
2841 info->read_status_mask2 |= PE | FRME; in change_params()
2842 if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty)) in change_params()
2843 info->read_status_mask1 |= BRKD; in change_params()
2844 if (I_IGNPAR(info->port.tty)) in change_params()
2845 info->ignore_status_mask2 |= PE | FRME; in change_params()
2846 if (I_IGNBRK(info->port.tty)) { in change_params()
2847 info->ignore_status_mask1 |= BRKD; in change_params()
2851 if (I_IGNPAR(info->port.tty)) in change_params()
2852 info->ignore_status_mask2 |= OVRN; in change_params()
2855 program_hw(info); in change_params()
2858 static int get_stats(SLMP_INFO * info, struct mgsl_icount __user *user_icount) in get_stats() argument
2864 __FILE__,__LINE__, info->device_name); in get_stats()
2867 memset(&info->icount, 0, sizeof(info->icount)); in get_stats()
2869 mutex_lock(&info->port.mutex); in get_stats()
2870 COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount)); in get_stats()
2871 mutex_unlock(&info->port.mutex); in get_stats()
2879 static int get_params(SLMP_INFO * info, MGSL_PARAMS __user *user_params) in get_params() argument
2884 __FILE__,__LINE__, info->device_name); in get_params()
2886 mutex_lock(&info->port.mutex); in get_params()
2887 COPY_TO_USER(err,user_params, &info->params, sizeof(MGSL_PARAMS)); in get_params()
2888 mutex_unlock(&info->port.mutex); in get_params()
2892 __FILE__,__LINE__,info->device_name); in get_params()
2899 static int set_params(SLMP_INFO * info, MGSL_PARAMS __user *new_params) in set_params() argument
2907 __FILE__,__LINE__,info->device_name ); in set_params()
2912 __FILE__,__LINE__,info->device_name); in set_params()
2916 mutex_lock(&info->port.mutex); in set_params()
2917 spin_lock_irqsave(&info->lock,flags); in set_params()
2918 memcpy(&info->params,&tmp_params,sizeof(MGSL_PARAMS)); in set_params()
2919 spin_unlock_irqrestore(&info->lock,flags); in set_params()
2921 change_params(info); in set_params()
2922 mutex_unlock(&info->port.mutex); in set_params()
2927 static int get_txidle(SLMP_INFO * info, int __user *idle_mode) in get_txidle() argument
2933 __FILE__,__LINE__, info->device_name, info->idle_mode); in get_txidle()
2935 COPY_TO_USER(err,idle_mode, &info->idle_mode, sizeof(int)); in get_txidle()
2939 __FILE__,__LINE__,info->device_name); in get_txidle()
2946 static int set_txidle(SLMP_INFO * info, int idle_mode) in set_txidle() argument
2952 __FILE__,__LINE__,info->device_name, idle_mode ); in set_txidle()
2954 spin_lock_irqsave(&info->lock,flags); in set_txidle()
2955 info->idle_mode = idle_mode; in set_txidle()
2956 tx_set_idle( info ); in set_txidle()
2957 spin_unlock_irqrestore(&info->lock,flags); in set_txidle()
2961 static int tx_enable(SLMP_INFO * info, int enable) in tx_enable() argument
2967 __FILE__,__LINE__,info->device_name, enable); in tx_enable()
2969 spin_lock_irqsave(&info->lock,flags); in tx_enable()
2971 if ( !info->tx_enabled ) { in tx_enable()
2972 tx_start(info); in tx_enable()
2975 if ( info->tx_enabled ) in tx_enable()
2976 tx_stop(info); in tx_enable()
2978 spin_unlock_irqrestore(&info->lock,flags); in tx_enable()
2984 static int tx_abort(SLMP_INFO * info) in tx_abort() argument
2990 __FILE__,__LINE__,info->device_name); in tx_abort()
2992 spin_lock_irqsave(&info->lock,flags); in tx_abort()
2993 if ( info->tx_active && info->params.mode == MGSL_MODE_HDLC ) { in tx_abort()
2994 info->ie1_value &= ~UDRN; in tx_abort()
2995 info->ie1_value |= IDLE; in tx_abort()
2996 write_reg(info, IE1, info->ie1_value); /* disable tx status interrupts */ in tx_abort()
2997 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); /* clear pending */ in tx_abort()
2999 write_reg(info, TXDMA + DSR, 0); /* disable DMA channel */ in tx_abort()
3000 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in tx_abort()
3002 write_reg(info, CMD, TXABORT); in tx_abort()
3004 spin_unlock_irqrestore(&info->lock,flags); in tx_abort()
3008 static int rx_enable(SLMP_INFO * info, int enable) in rx_enable() argument
3014 __FILE__,__LINE__,info->device_name,enable); in rx_enable()
3016 spin_lock_irqsave(&info->lock,flags); in rx_enable()
3018 if ( !info->rx_enabled ) in rx_enable()
3019 rx_start(info); in rx_enable()
3021 if ( info->rx_enabled ) in rx_enable()
3022 rx_stop(info); in rx_enable()
3024 spin_unlock_irqrestore(&info->lock,flags); in rx_enable()
3030 static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr) in wait_mgsl_event() argument
3048 __FILE__,__LINE__,info->device_name,mask); in wait_mgsl_event()
3050 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3053 get_signals(info); in wait_mgsl_event()
3054 s = info->serial_signals; in wait_mgsl_event()
3062 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3067 cprev = info->icount; in wait_mgsl_event()
3068 oldsigs = info->input_signal_events; in wait_mgsl_event()
3072 unsigned char oldval = info->ie1_value; in wait_mgsl_event()
3077 info->ie1_value = newval; in wait_mgsl_event()
3078 write_reg(info, IE1, info->ie1_value); in wait_mgsl_event()
3083 add_wait_queue(&info->event_wait_q, &wait); in wait_mgsl_event()
3085 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3095 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3096 cnow = info->icount; in wait_mgsl_event()
3097 newsigs = info->input_signal_events; in wait_mgsl_event()
3099 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3134 remove_wait_queue(&info->event_wait_q, &wait); in wait_mgsl_event()
3139 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3140 if (!waitqueue_active(&info->event_wait_q)) { in wait_mgsl_event()
3142 info->ie1_value &= ~(FLGD|IDLD); in wait_mgsl_event()
3143 write_reg(info, IE1, info->ie1_value); in wait_mgsl_event()
3145 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3154 static int modem_input_wait(SLMP_INFO *info,int arg) in modem_input_wait() argument
3162 spin_lock_irqsave(&info->lock,flags); in modem_input_wait()
3163 cprev = info->icount; in modem_input_wait()
3164 add_wait_queue(&info->status_event_wait_q, &wait); in modem_input_wait()
3166 spin_unlock_irqrestore(&info->lock,flags); in modem_input_wait()
3176 spin_lock_irqsave(&info->lock,flags); in modem_input_wait()
3177 cnow = info->icount; in modem_input_wait()
3179 spin_unlock_irqrestore(&info->lock,flags); in modem_input_wait()
3199 remove_wait_queue(&info->status_event_wait_q, &wait); in modem_input_wait()
3208 SLMP_INFO *info = tty->driver_data; in tiocmget() local
3212 spin_lock_irqsave(&info->lock,flags); in tiocmget()
3213 get_signals(info); in tiocmget()
3214 spin_unlock_irqrestore(&info->lock,flags); in tiocmget()
3216 result = ((info->serial_signals & SerialSignal_RTS) ? TIOCM_RTS : 0) | in tiocmget()
3217 ((info->serial_signals & SerialSignal_DTR) ? TIOCM_DTR : 0) | in tiocmget()
3218 ((info->serial_signals & SerialSignal_DCD) ? TIOCM_CAR : 0) | in tiocmget()
3219 ((info->serial_signals & SerialSignal_RI) ? TIOCM_RNG : 0) | in tiocmget()
3220 ((info->serial_signals & SerialSignal_DSR) ? TIOCM_DSR : 0) | in tiocmget()
3221 ((info->serial_signals & SerialSignal_CTS) ? TIOCM_CTS : 0); in tiocmget()
3225 __FILE__,__LINE__, info->device_name, result ); in tiocmget()
3234 SLMP_INFO *info = tty->driver_data; in tiocmset() local
3239 __FILE__,__LINE__,info->device_name, set, clear); in tiocmset()
3242 info->serial_signals |= SerialSignal_RTS; in tiocmset()
3244 info->serial_signals |= SerialSignal_DTR; in tiocmset()
3246 info->serial_signals &= ~SerialSignal_RTS; in tiocmset()
3248 info->serial_signals &= ~SerialSignal_DTR; in tiocmset()
3250 spin_lock_irqsave(&info->lock,flags); in tiocmset()
3251 set_signals(info); in tiocmset()
3252 spin_unlock_irqrestore(&info->lock,flags); in tiocmset()
3259 SLMP_INFO *info = container_of(port, SLMP_INFO, port); in carrier_raised() local
3262 spin_lock_irqsave(&info->lock,flags); in carrier_raised()
3263 get_signals(info); in carrier_raised()
3264 spin_unlock_irqrestore(&info->lock,flags); in carrier_raised()
3266 return (info->serial_signals & SerialSignal_DCD) ? 1 : 0; in carrier_raised()
3271 SLMP_INFO *info = container_of(port, SLMP_INFO, port); in dtr_rts() local
3274 spin_lock_irqsave(&info->lock,flags); in dtr_rts()
3276 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in dtr_rts()
3278 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in dtr_rts()
3279 set_signals(info); in dtr_rts()
3280 spin_unlock_irqrestore(&info->lock,flags); in dtr_rts()
3286 SLMP_INFO *info) in block_til_ready() argument
3293 struct tty_port *port = &info->port; in block_til_ready()
3323 spin_lock_irqsave(&info->lock, flags); in block_til_ready()
3325 spin_unlock_irqrestore(&info->lock, flags); in block_til_ready()
3375 static int alloc_dma_bufs(SLMP_INFO *info) in alloc_dma_bufs() argument
3385 info->port_array[0]->last_mem_alloc = (SCA_MEM_SIZE/4) * info->port_num; in alloc_dma_bufs()
3392 BuffersPerFrame = (unsigned short)(info->max_frame_size/SCABUFSIZE); in alloc_dma_bufs()
3393 if ( info->max_frame_size % SCABUFSIZE ) in alloc_dma_bufs()
3407 info->tx_buf_count = BuffersPerFrame + 1; in alloc_dma_bufs()
3410 if (info->tx_buf_count > (BufferCount/2)) in alloc_dma_bufs()
3411 info->tx_buf_count = BufferCount/2; in alloc_dma_bufs()
3413 if (info->tx_buf_count > SCAMAXDESC) in alloc_dma_bufs()
3414 info->tx_buf_count = SCAMAXDESC; in alloc_dma_bufs()
3417 info->rx_buf_count = BufferCount - info->tx_buf_count; in alloc_dma_bufs()
3419 if (info->rx_buf_count > SCAMAXDESC) in alloc_dma_bufs()
3420 info->rx_buf_count = SCAMAXDESC; in alloc_dma_bufs()
3424 __FILE__,__LINE__, info->device_name, in alloc_dma_bufs()
3425 info->tx_buf_count,info->rx_buf_count); in alloc_dma_bufs()
3427 if ( alloc_buf_list( info ) < 0 || in alloc_dma_bufs()
3428 alloc_frame_bufs(info, in alloc_dma_bufs()
3429 info->rx_buf_list, in alloc_dma_bufs()
3430 info->rx_buf_list_ex, in alloc_dma_bufs()
3431 info->rx_buf_count) < 0 || in alloc_dma_bufs()
3432 alloc_frame_bufs(info, in alloc_dma_bufs()
3433 info->tx_buf_list, in alloc_dma_bufs()
3434 info->tx_buf_list_ex, in alloc_dma_bufs()
3435 info->tx_buf_count) < 0 || in alloc_dma_bufs()
3436 alloc_tmp_rx_buf(info) < 0 ) { in alloc_dma_bufs()
3438 __FILE__,__LINE__, info->device_name); in alloc_dma_bufs()
3442 rx_reset_buffers( info ); in alloc_dma_bufs()
3449 static int alloc_buf_list(SLMP_INFO *info) in alloc_buf_list() argument
3454 info->buffer_list = info->memory_base + info->port_array[0]->last_mem_alloc; in alloc_buf_list()
3455 info->buffer_list_phys = info->port_array[0]->last_mem_alloc; in alloc_buf_list()
3456 info->port_array[0]->last_mem_alloc += BUFFERLISTSIZE; in alloc_buf_list()
3458 memset(info->buffer_list, 0, BUFFERLISTSIZE); in alloc_buf_list()
3463 info->rx_buf_list = (SCADESC *)info->buffer_list; in alloc_buf_list()
3465 info->tx_buf_list = (SCADESC *)info->buffer_list; in alloc_buf_list()
3466 info->tx_buf_list += info->rx_buf_count; in alloc_buf_list()
3474 for ( i = 0; i < info->rx_buf_count; i++ ) { in alloc_buf_list()
3476 info->rx_buf_list_ex[i].phys_entry = in alloc_buf_list()
3477 info->buffer_list_phys + (i * SCABUFSIZE); in alloc_buf_list()
3481 info->rx_buf_list[i].next = info->buffer_list_phys; in alloc_buf_list()
3482 if ( i < info->rx_buf_count - 1 ) in alloc_buf_list()
3483 info->rx_buf_list[i].next += (i + 1) * sizeof(SCADESC); in alloc_buf_list()
3485 info->rx_buf_list[i].length = SCABUFSIZE; in alloc_buf_list()
3488 for ( i = 0; i < info->tx_buf_count; i++ ) { in alloc_buf_list()
3490 info->tx_buf_list_ex[i].phys_entry = info->buffer_list_phys + in alloc_buf_list()
3491 ((info->rx_buf_count + i) * sizeof(SCADESC)); in alloc_buf_list()
3496 info->tx_buf_list[i].next = info->buffer_list_phys + in alloc_buf_list()
3497 info->rx_buf_count * sizeof(SCADESC); in alloc_buf_list()
3499 if ( i < info->tx_buf_count - 1 ) in alloc_buf_list()
3500 info->tx_buf_list[i].next += (i + 1) * sizeof(SCADESC); in alloc_buf_list()
3508 static int alloc_frame_bufs(SLMP_INFO *info, SCADESC *buf_list,SCADESC_EX *buf_list_ex,int count) in alloc_frame_bufs() argument
3514 buf_list_ex[i].virt_addr = info->memory_base + info->port_array[0]->last_mem_alloc; in alloc_frame_bufs()
3515 phys_addr = info->port_array[0]->last_mem_alloc; in alloc_frame_bufs()
3516 info->port_array[0]->last_mem_alloc += SCABUFSIZE; in alloc_frame_bufs()
3525 static void free_dma_bufs(SLMP_INFO *info) in free_dma_bufs() argument
3527 info->buffer_list = NULL; in free_dma_bufs()
3528 info->rx_buf_list = NULL; in free_dma_bufs()
3529 info->tx_buf_list = NULL; in free_dma_bufs()
3535 static int alloc_tmp_rx_buf(SLMP_INFO *info) in alloc_tmp_rx_buf() argument
3537 info->tmp_rx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); in alloc_tmp_rx_buf()
3538 if (info->tmp_rx_buf == NULL) in alloc_tmp_rx_buf()
3541 info->flag_buf = kzalloc(info->max_frame_size, GFP_KERNEL); in alloc_tmp_rx_buf()
3542 if (!info->flag_buf) { in alloc_tmp_rx_buf()
3543 kfree(info->tmp_rx_buf); in alloc_tmp_rx_buf()
3544 info->tmp_rx_buf = NULL; in alloc_tmp_rx_buf()
3550 static void free_tmp_rx_buf(SLMP_INFO *info) in free_tmp_rx_buf() argument
3552 kfree(info->tmp_rx_buf); in free_tmp_rx_buf()
3553 info->tmp_rx_buf = NULL; in free_tmp_rx_buf()
3554 kfree(info->flag_buf); in free_tmp_rx_buf()
3555 info->flag_buf = NULL; in free_tmp_rx_buf()
3558 static int claim_resources(SLMP_INFO *info) in claim_resources() argument
3560 if (request_mem_region(info->phys_memory_base,SCA_MEM_SIZE,"synclinkmp") == NULL) { in claim_resources()
3562 __FILE__,__LINE__,info->device_name, info->phys_memory_base); in claim_resources()
3563 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3567 info->shared_mem_requested = true; in claim_resources()
3569 if (request_mem_region(info->phys_lcr_base + info->lcr_offset,128,"synclinkmp") == NULL) { in claim_resources()
3571 __FILE__,__LINE__,info->device_name, info->phys_lcr_base); in claim_resources()
3572 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3576 info->lcr_mem_requested = true; in claim_resources()
3578 …if (request_mem_region(info->phys_sca_base + info->sca_offset,SCA_BASE_SIZE,"synclinkmp") == NULL)… in claim_resources()
3580 __FILE__,__LINE__,info->device_name, info->phys_sca_base); in claim_resources()
3581 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3585 info->sca_base_requested = true; in claim_resources()
3587 …if (request_mem_region(info->phys_statctrl_base + info->statctrl_offset,SCA_REG_SIZE,"synclinkmp")… in claim_resources()
3589 __FILE__,__LINE__,info->device_name, info->phys_statctrl_base); in claim_resources()
3590 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3594 info->sca_statctrl_requested = true; in claim_resources()
3596 info->memory_base = ioremap_nocache(info->phys_memory_base, in claim_resources()
3598 if (!info->memory_base) { in claim_resources()
3600 __FILE__,__LINE__,info->device_name, info->phys_memory_base ); in claim_resources()
3601 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3605 info->lcr_base = ioremap_nocache(info->phys_lcr_base, PAGE_SIZE); in claim_resources()
3606 if (!info->lcr_base) { in claim_resources()
3608 __FILE__,__LINE__,info->device_name, info->phys_lcr_base ); in claim_resources()
3609 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3612 info->lcr_base += info->lcr_offset; in claim_resources()
3614 info->sca_base = ioremap_nocache(info->phys_sca_base, PAGE_SIZE); in claim_resources()
3615 if (!info->sca_base) { in claim_resources()
3617 __FILE__,__LINE__,info->device_name, info->phys_sca_base ); in claim_resources()
3618 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3621 info->sca_base += info->sca_offset; in claim_resources()
3623 info->statctrl_base = ioremap_nocache(info->phys_statctrl_base, in claim_resources()
3625 if (!info->statctrl_base) { in claim_resources()
3627 __FILE__,__LINE__,info->device_name, info->phys_statctrl_base ); in claim_resources()
3628 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3631 info->statctrl_base += info->statctrl_offset; in claim_resources()
3633 if ( !memory_test(info) ) { in claim_resources()
3635 __FILE__,__LINE__,info->device_name, info->phys_memory_base ); in claim_resources()
3636 info->init_error = DiagStatus_MemoryError; in claim_resources()
3643 release_resources( info ); in claim_resources()
3647 static void release_resources(SLMP_INFO *info) in release_resources() argument
3651 __FILE__,__LINE__,info->device_name ); in release_resources()
3653 if ( info->irq_requested ) { in release_resources()
3654 free_irq(info->irq_level, info); in release_resources()
3655 info->irq_requested = false; in release_resources()
3658 if ( info->shared_mem_requested ) { in release_resources()
3659 release_mem_region(info->phys_memory_base,SCA_MEM_SIZE); in release_resources()
3660 info->shared_mem_requested = false; in release_resources()
3662 if ( info->lcr_mem_requested ) { in release_resources()
3663 release_mem_region(info->phys_lcr_base + info->lcr_offset,128); in release_resources()
3664 info->lcr_mem_requested = false; in release_resources()
3666 if ( info->sca_base_requested ) { in release_resources()
3667 release_mem_region(info->phys_sca_base + info->sca_offset,SCA_BASE_SIZE); in release_resources()
3668 info->sca_base_requested = false; in release_resources()
3670 if ( info->sca_statctrl_requested ) { in release_resources()
3671 release_mem_region(info->phys_statctrl_base + info->statctrl_offset,SCA_REG_SIZE); in release_resources()
3672 info->sca_statctrl_requested = false; in release_resources()
3675 if (info->memory_base){ in release_resources()
3676 iounmap(info->memory_base); in release_resources()
3677 info->memory_base = NULL; in release_resources()
3680 if (info->sca_base) { in release_resources()
3681 iounmap(info->sca_base - info->sca_offset); in release_resources()
3682 info->sca_base=NULL; in release_resources()
3685 if (info->statctrl_base) { in release_resources()
3686 iounmap(info->statctrl_base - info->statctrl_offset); in release_resources()
3687 info->statctrl_base=NULL; in release_resources()
3690 if (info->lcr_base){ in release_resources()
3691 iounmap(info->lcr_base - info->lcr_offset); in release_resources()
3692 info->lcr_base = NULL; in release_resources()
3697 __FILE__,__LINE__,info->device_name ); in release_resources()
3703 static void add_device(SLMP_INFO *info) in add_device() argument
3705 info->next_device = NULL; in add_device()
3706 info->line = synclinkmp_device_count; in add_device()
3707 sprintf(info->device_name,"ttySLM%dp%d",info->adapter_num,info->port_num); in add_device()
3709 if (info->line < MAX_DEVICES) { in add_device()
3710 if (maxframe[info->line]) in add_device()
3711 info->max_frame_size = maxframe[info->line]; in add_device()
3717 synclinkmp_device_list = info; in add_device()
3722 current_dev->next_device = info; in add_device()
3725 if ( info->max_frame_size < 4096 ) in add_device()
3726 info->max_frame_size = 4096; in add_device()
3727 else if ( info->max_frame_size > 65535 ) in add_device()
3728 info->max_frame_size = 65535; in add_device()
3732 info->device_name, in add_device()
3733 info->phys_sca_base, in add_device()
3734 info->phys_memory_base, in add_device()
3735 info->phys_statctrl_base, in add_device()
3736 info->phys_lcr_base, in add_device()
3737 info->irq_level, in add_device()
3738 info->max_frame_size ); in add_device()
3741 hdlcdev_init(info); in add_device()
3756 SLMP_INFO *info; in alloc_dev() local
3758 info = kzalloc(sizeof(SLMP_INFO), in alloc_dev()
3761 if (!info) { in alloc_dev()
3765 tty_port_init(&info->port); in alloc_dev()
3766 info->port.ops = &port_ops; in alloc_dev()
3767 info->magic = MGSL_MAGIC; in alloc_dev()
3768 INIT_WORK(&info->task, bh_handler); in alloc_dev()
3769 info->max_frame_size = 4096; in alloc_dev()
3770 info->port.close_delay = 5*HZ/10; in alloc_dev()
3771 info->port.closing_wait = 30*HZ; in alloc_dev()
3772 init_waitqueue_head(&info->status_event_wait_q); in alloc_dev()
3773 init_waitqueue_head(&info->event_wait_q); in alloc_dev()
3774 spin_lock_init(&info->netlock); in alloc_dev()
3775 memcpy(&info->params,&default_params,sizeof(MGSL_PARAMS)); in alloc_dev()
3776 info->idle_mode = HDLC_TXIDLE_FLAGS; in alloc_dev()
3777 info->adapter_num = adapter_num; in alloc_dev()
3778 info->port_num = port_num; in alloc_dev()
3781 info->irq_level = pdev->irq; in alloc_dev()
3782 info->phys_lcr_base = pci_resource_start(pdev,0); in alloc_dev()
3783 info->phys_sca_base = pci_resource_start(pdev,2); in alloc_dev()
3784 info->phys_memory_base = pci_resource_start(pdev,3); in alloc_dev()
3785 info->phys_statctrl_base = pci_resource_start(pdev,4); in alloc_dev()
3791 info->lcr_offset = info->phys_lcr_base & (PAGE_SIZE-1); in alloc_dev()
3792 info->phys_lcr_base &= ~(PAGE_SIZE-1); in alloc_dev()
3794 info->sca_offset = info->phys_sca_base & (PAGE_SIZE-1); in alloc_dev()
3795 info->phys_sca_base &= ~(PAGE_SIZE-1); in alloc_dev()
3797 info->statctrl_offset = info->phys_statctrl_base & (PAGE_SIZE-1); in alloc_dev()
3798 info->phys_statctrl_base &= ~(PAGE_SIZE-1); in alloc_dev()
3800 info->bus_type = MGSL_BUS_TYPE_PCI; in alloc_dev()
3801 info->irq_flags = IRQF_SHARED; in alloc_dev()
3803 setup_timer(&info->tx_timer, tx_timeout, (unsigned long)info); in alloc_dev()
3804 setup_timer(&info->status_timer, status_timeout, in alloc_dev()
3805 (unsigned long)info); in alloc_dev()
3816 info->misc_ctrl_value = 0x087e4546; in alloc_dev()
3824 info->init_error = -1; in alloc_dev()
3827 return info; in alloc_dev()
3917 SLMP_INFO *info; in synclinkmp_cleanup() local
3930 info = synclinkmp_device_list; in synclinkmp_cleanup()
3931 while(info) { in synclinkmp_cleanup()
3932 reset_port(info); in synclinkmp_cleanup()
3933 info = info->next_device; in synclinkmp_cleanup()
3937 info = synclinkmp_device_list; in synclinkmp_cleanup()
3938 while(info) { in synclinkmp_cleanup()
3940 hdlcdev_exit(info); in synclinkmp_cleanup()
3942 free_dma_bufs(info); in synclinkmp_cleanup()
3943 free_tmp_rx_buf(info); in synclinkmp_cleanup()
3944 if ( info->port_num == 0 ) { in synclinkmp_cleanup()
3945 if (info->sca_base) in synclinkmp_cleanup()
3946 write_reg(info, LPR, 1); /* set low power mode */ in synclinkmp_cleanup()
3947 release_resources(info); in synclinkmp_cleanup()
3949 tmp = info; in synclinkmp_cleanup()
3950 info = info->next_device; in synclinkmp_cleanup()
4029 static void enable_loopback(SLMP_INFO *info, int enable) in enable_loopback() argument
4035 write_reg(info, MD2, (unsigned char)(read_reg(info, MD2) | (BIT1 + BIT0))); in enable_loopback()
4038 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in enable_loopback()
4039 write_control_reg(info); in enable_loopback()
4046 write_reg(info, RXS, 0x40); in enable_loopback()
4047 write_reg(info, TXS, 0x40); in enable_loopback()
4053 write_reg(info, MD2, (unsigned char)(read_reg(info, MD2) & ~(BIT1 + BIT0))); in enable_loopback()
4060 write_reg(info, RXS, 0x00); in enable_loopback()
4061 write_reg(info, TXS, 0x00); in enable_loopback()
4065 if (info->params.clock_speed) in enable_loopback()
4066 set_rate(info, info->params.clock_speed); in enable_loopback()
4068 set_rate(info, 3686400); in enable_loopback()
4076 static void set_rate( SLMP_INFO *info, u32 data_rate ) in set_rate() argument
4107 write_reg(info, TXS, in set_rate()
4108 (unsigned char)((read_reg(info, TXS) & 0xf0) | BRValue)); in set_rate()
4109 write_reg(info, RXS, in set_rate()
4110 (unsigned char)((read_reg(info, RXS) & 0xf0) | BRValue)); in set_rate()
4111 write_reg(info, TMC, (unsigned char)TMCValue); in set_rate()
4114 write_reg(info, TXS,0); in set_rate()
4115 write_reg(info, RXS,0); in set_rate()
4116 write_reg(info, TMC, 0); in set_rate()
4122 static void rx_stop(SLMP_INFO *info) in rx_stop() argument
4126 __FILE__,__LINE__, info->device_name ); in rx_stop()
4128 write_reg(info, CMD, RXRESET); in rx_stop()
4130 info->ie0_value &= ~RXRDYE; in rx_stop()
4131 write_reg(info, IE0, info->ie0_value); /* disable Rx data interrupts */ in rx_stop()
4133 write_reg(info, RXDMA + DSR, 0); /* disable Rx DMA */ in rx_stop()
4134 write_reg(info, RXDMA + DCMD, SWABORT); /* reset/init Rx DMA */ in rx_stop()
4135 write_reg(info, RXDMA + DIR, 0); /* disable Rx DMA interrupts */ in rx_stop()
4137 info->rx_enabled = false; in rx_stop()
4138 info->rx_overflow = false; in rx_stop()
4143 static void rx_start(SLMP_INFO *info) in rx_start() argument
4149 __FILE__,__LINE__, info->device_name ); in rx_start()
4151 write_reg(info, CMD, RXRESET); in rx_start()
4153 if ( info->params.mode == MGSL_MODE_HDLC ) { in rx_start()
4155 info->ie0_value &= ~RXRDYE; in rx_start()
4156 write_reg(info, IE0, info->ie0_value); in rx_start()
4159 write_reg(info, RXDMA + DSR, 0); /* disable Rx DMA */ in rx_start()
4160 write_reg(info, RXDMA + DCMD, SWABORT); /* reset/init Rx DMA */ in rx_start()
4162 for (i = 0; i < info->rx_buf_count; i++) { in rx_start()
4163 info->rx_buf_list[i].status = 0xff; in rx_start()
4168 read_status_reg(info); in rx_start()
4170 info->current_rx_buf = 0; in rx_start()
4173 write_reg16(info, RXDMA + CDA, in rx_start()
4174 info->rx_buf_list_ex[0].phys_entry); in rx_start()
4177 write_reg16(info, RXDMA + EDA, in rx_start()
4178 info->rx_buf_list_ex[info->rx_buf_count - 1].phys_entry); in rx_start()
4181 write_reg16(info, RXDMA + BFL, SCABUFSIZE); in rx_start()
4183 write_reg(info, RXDMA + DIR, 0x60); /* enable Rx DMA interrupts (EOM/BOF) */ in rx_start()
4184 write_reg(info, RXDMA + DSR, 0xf2); /* clear Rx DMA IRQs, enable Rx DMA */ in rx_start()
4187 info->ie0_value |= RXRDYE; in rx_start()
4188 write_reg(info, IE0, info->ie0_value); in rx_start()
4191 write_reg(info, CMD, RXENABLE); in rx_start()
4193 info->rx_overflow = false; in rx_start()
4194 info->rx_enabled = true; in rx_start()
4200 static void tx_start(SLMP_INFO *info) in tx_start() argument
4204 __FILE__,__LINE__, info->device_name,info->tx_count ); in tx_start()
4206 if (!info->tx_enabled ) { in tx_start()
4207 write_reg(info, CMD, TXRESET); in tx_start()
4208 write_reg(info, CMD, TXENABLE); in tx_start()
4209 info->tx_enabled = true; in tx_start()
4212 if ( info->tx_count ) { in tx_start()
4218 info->drop_rts_on_tx_done = false; in tx_start()
4220 if (info->params.mode != MGSL_MODE_ASYNC) { in tx_start()
4222 if ( info->params.flags & HDLC_FLAG_AUTO_RTS ) { in tx_start()
4223 get_signals( info ); in tx_start()
4224 if ( !(info->serial_signals & SerialSignal_RTS) ) { in tx_start()
4225 info->serial_signals |= SerialSignal_RTS; in tx_start()
4226 set_signals( info ); in tx_start()
4227 info->drop_rts_on_tx_done = true; in tx_start()
4231 write_reg16(info, TRC0, in tx_start()
4234 write_reg(info, TXDMA + DSR, 0); /* disable DMA channel */ in tx_start()
4235 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in tx_start()
4238 write_reg16(info, TXDMA + CDA, in tx_start()
4239 info->tx_buf_list_ex[0].phys_entry); in tx_start()
4242 write_reg16(info, TXDMA + EDA, in tx_start()
4243 info->tx_buf_list_ex[info->last_tx_buf].phys_entry); in tx_start()
4246 info->ie1_value &= ~IDLE; in tx_start()
4247 info->ie1_value |= UDRN; in tx_start()
4248 write_reg(info, IE1, info->ie1_value); in tx_start()
4249 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); in tx_start()
4251 write_reg(info, TXDMA + DIR, 0x40); /* enable Tx DMA interrupts (EOM) */ in tx_start()
4252 write_reg(info, TXDMA + DSR, 0xf2); /* clear Tx DMA IRQs, enable Tx DMA */ in tx_start()
4254 mod_timer(&info->tx_timer, jiffies + in tx_start()
4258 tx_load_fifo(info); in tx_start()
4260 info->ie0_value |= TXRDYE; in tx_start()
4261 write_reg(info, IE0, info->ie0_value); in tx_start()
4264 info->tx_active = true; in tx_start()
4270 static void tx_stop( SLMP_INFO *info ) in tx_stop() argument
4274 __FILE__,__LINE__, info->device_name ); in tx_stop()
4276 del_timer(&info->tx_timer); in tx_stop()
4278 write_reg(info, TXDMA + DSR, 0); /* disable DMA channel */ in tx_stop()
4279 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in tx_stop()
4281 write_reg(info, CMD, TXRESET); in tx_stop()
4283 info->ie1_value &= ~(UDRN + IDLE); in tx_stop()
4284 write_reg(info, IE1, info->ie1_value); /* disable tx status interrupts */ in tx_stop()
4285 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); /* clear pending */ in tx_stop()
4287 info->ie0_value &= ~TXRDYE; in tx_stop()
4288 write_reg(info, IE0, info->ie0_value); /* disable tx data interrupts */ in tx_stop()
4290 info->tx_enabled = false; in tx_stop()
4291 info->tx_active = false; in tx_stop()
4297 static void tx_load_fifo(SLMP_INFO *info) in tx_load_fifo() argument
4303 if ( !info->tx_count && !info->x_char ) in tx_load_fifo()
4308 while( info->tx_count && (read_reg(info,SR0) & BIT1) ) { in tx_load_fifo()
4313 if ( (info->tx_count > 1) && !info->x_char ) { in tx_load_fifo()
4315 TwoBytes[0] = info->tx_buf[info->tx_get++]; in tx_load_fifo()
4316 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4317 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4318 TwoBytes[1] = info->tx_buf[info->tx_get++]; in tx_load_fifo()
4319 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4320 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4322 write_reg16(info, TRB, *((u16 *)TwoBytes)); in tx_load_fifo()
4324 info->tx_count -= 2; in tx_load_fifo()
4325 info->icount.tx += 2; in tx_load_fifo()
4329 if (info->x_char) { in tx_load_fifo()
4331 write_reg(info, TRB, info->x_char); in tx_load_fifo()
4332 info->x_char = 0; in tx_load_fifo()
4334 write_reg(info, TRB, info->tx_buf[info->tx_get++]); in tx_load_fifo()
4335 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4336 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4337 info->tx_count--; in tx_load_fifo()
4339 info->icount.tx++; in tx_load_fifo()
4346 static void reset_port(SLMP_INFO *info) in reset_port() argument
4348 if (info->sca_base) { in reset_port()
4350 tx_stop(info); in reset_port()
4351 rx_stop(info); in reset_port()
4353 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in reset_port()
4354 set_signals(info); in reset_port()
4357 info->ie0_value = 0; in reset_port()
4358 info->ie1_value = 0; in reset_port()
4359 info->ie2_value = 0; in reset_port()
4360 write_reg(info, IE0, info->ie0_value); in reset_port()
4361 write_reg(info, IE1, info->ie1_value); in reset_port()
4362 write_reg(info, IE2, info->ie2_value); in reset_port()
4364 write_reg(info, CMD, CHRESET); in reset_port()
4370 static void reset_adapter(SLMP_INFO *info) in reset_adapter() argument
4375 if (info->port_array[i]) in reset_adapter()
4376 reset_port(info->port_array[i]); in reset_adapter()
4382 static void async_mode(SLMP_INFO *info) in async_mode() argument
4387 tx_stop(info); in async_mode()
4388 rx_stop(info); in async_mode()
4401 if (info->params.stop_bits != 1) in async_mode()
4403 write_reg(info, MD0, RegValue); in async_mode()
4415 switch (info->params.data_bits) { in async_mode()
4420 if (info->params.parity != ASYNC_PARITY_NONE) { in async_mode()
4422 if (info->params.parity == ASYNC_PARITY_ODD) in async_mode()
4425 write_reg(info, MD1, RegValue); in async_mode()
4435 if (info->params.loopback) in async_mode()
4437 write_reg(info, MD2, RegValue); in async_mode()
4446 write_reg(info, RXS, RegValue); in async_mode()
4455 write_reg(info, TXS, RegValue); in async_mode()
4461 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in async_mode()
4462 write_control_reg(info); in async_mode()
4464 tx_set_idle(info); in async_mode()
4471 write_reg(info, RRC, 0x00); in async_mode()
4478 write_reg(info, TRC0, 0x10); in async_mode()
4485 write_reg(info, TRC1, 0x1e); in async_mode()
4500 if (!(info->serial_signals & SerialSignal_RTS)) in async_mode()
4502 write_reg(info, CTL, RegValue); in async_mode()
4505 info->ie0_value |= TXINTE + RXINTE; in async_mode()
4506 write_reg(info, IE0, info->ie0_value); in async_mode()
4509 info->ie1_value = BRKD; in async_mode()
4510 write_reg(info, IE1, info->ie1_value); in async_mode()
4513 info->ie2_value = OVRN; in async_mode()
4514 write_reg(info, IE2, info->ie2_value); in async_mode()
4516 set_rate( info, info->params.data_rate * 16 ); in async_mode()
4521 static void hdlc_mode(SLMP_INFO *info) in hdlc_mode() argument
4530 info->params.flags &= ~(HDLC_FLAG_TXC_DPLL + HDLC_FLAG_RXC_DPLL); in hdlc_mode()
4533 write_reg(info, TXDMA + DIR, 0); in hdlc_mode()
4534 write_reg(info, RXDMA + DIR, 0); in hdlc_mode()
4548 if (info->params.flags & HDLC_FLAG_AUTO_CTS) in hdlc_mode()
4550 if (info->params.flags & HDLC_FLAG_AUTO_DCD) in hdlc_mode()
4552 if (info->params.crc_type == HDLC_CRC_16_CCITT) in hdlc_mode()
4554 write_reg(info, MD0, RegValue); in hdlc_mode()
4566 write_reg(info, MD1, RegValue); in hdlc_mode()
4579 switch(info->params.encoding) { in hdlc_mode()
4590 if ( info->params.flags & HDLC_FLAG_DPLL_DIV16 ) { in hdlc_mode()
4593 } else if ( info->params.flags & HDLC_FLAG_DPLL_DIV8 ) { in hdlc_mode()
4599 write_reg(info, MD2, RegValue); in hdlc_mode()
4609 if (info->params.flags & HDLC_FLAG_RXC_BRG) in hdlc_mode()
4611 if (info->params.flags & HDLC_FLAG_RXC_DPLL) in hdlc_mode()
4613 write_reg(info, RXS, RegValue); in hdlc_mode()
4622 if (info->params.flags & HDLC_FLAG_TXC_BRG) in hdlc_mode()
4624 if (info->params.flags & HDLC_FLAG_TXC_DPLL) in hdlc_mode()
4626 write_reg(info, TXS, RegValue); in hdlc_mode()
4628 if (info->params.flags & HDLC_FLAG_RXC_DPLL) in hdlc_mode()
4629 set_rate(info, info->params.clock_speed * DpllDivisor); in hdlc_mode()
4631 set_rate(info, info->params.clock_speed); in hdlc_mode()
4637 if (info->params.flags & HDLC_FLAG_TXC_BRG) in hdlc_mode()
4638 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in hdlc_mode()
4640 info->port_array[0]->ctrlreg_value &= ~(BIT0 << (info->port_num * 2)); in hdlc_mode()
4641 write_control_reg(info); in hdlc_mode()
4648 write_reg(info, RRC, rx_active_fifo_level); in hdlc_mode()
4655 write_reg(info, TRC0, tx_active_fifo_level); in hdlc_mode()
4662 write_reg(info, TRC1, (unsigned char)(tx_negate_fifo_level - 1)); in hdlc_mode()
4675 write_reg(info, TXDMA + DMR, 0x14); in hdlc_mode()
4676 write_reg(info, RXDMA + DMR, 0x14); in hdlc_mode()
4679 write_reg(info, RXDMA + CPB, in hdlc_mode()
4680 (unsigned char)(info->buffer_list_phys >> 16)); in hdlc_mode()
4683 write_reg(info, TXDMA + CPB, in hdlc_mode()
4684 (unsigned char)(info->buffer_list_phys >> 16)); in hdlc_mode()
4689 info->ie0_value |= TXINTE + RXINTE; in hdlc_mode()
4690 write_reg(info, IE0, info->ie0_value); in hdlc_mode()
4705 if (!(info->serial_signals & SerialSignal_RTS)) in hdlc_mode()
4707 write_reg(info, CTL, RegValue); in hdlc_mode()
4711 tx_set_idle(info); in hdlc_mode()
4712 tx_stop(info); in hdlc_mode()
4713 rx_stop(info); in hdlc_mode()
4715 set_rate(info, info->params.clock_speed); in hdlc_mode()
4717 if (info->params.loopback) in hdlc_mode()
4718 enable_loopback(info,1); in hdlc_mode()
4723 static void tx_set_idle(SLMP_INFO *info) in tx_set_idle() argument
4728 switch(info->idle_mode) { in tx_set_idle()
4738 write_reg(info, IDL, RegValue); in tx_set_idle()
4743 static void get_signals(SLMP_INFO *info) in get_signals() argument
4745 u16 status = read_reg(info, SR3); in get_signals()
4746 u16 gpstatus = read_status_reg(info); in get_signals()
4750 info->serial_signals &= SerialSignal_RTS | SerialSignal_DTR; in get_signals()
4755 info->serial_signals |= SerialSignal_CTS; in get_signals()
4758 info->serial_signals |= SerialSignal_DCD; in get_signals()
4760 testbit = BIT1 << (info->port_num * 2); // Port 0..3 RI is GPDATA<1,3,5,7> in get_signals()
4762 info->serial_signals |= SerialSignal_RI; in get_signals()
4764 testbit = BIT0 << (info->port_num * 2); // Port 0..3 DSR is GPDATA<0,2,4,6> in get_signals()
4766 info->serial_signals |= SerialSignal_DSR; in get_signals()
4772 static void set_signals(SLMP_INFO *info) in set_signals() argument
4777 RegValue = read_reg(info, CTL); in set_signals()
4778 if (info->serial_signals & SerialSignal_RTS) in set_signals()
4782 write_reg(info, CTL, RegValue); in set_signals()
4785 EnableBit = BIT1 << (info->port_num*2); in set_signals()
4786 if (info->serial_signals & SerialSignal_DTR) in set_signals()
4787 info->port_array[0]->ctrlreg_value &= ~EnableBit; in set_signals()
4789 info->port_array[0]->ctrlreg_value |= EnableBit; in set_signals()
4790 write_control_reg(info); in set_signals()
4801 static void rx_reset_buffers(SLMP_INFO *info) in rx_reset_buffers() argument
4803 rx_free_frame_buffers(info, 0, info->rx_buf_count - 1); in rx_reset_buffers()
4812 static void rx_free_frame_buffers(SLMP_INFO *info, unsigned int first, unsigned int last) in rx_free_frame_buffers() argument
4818 info->rx_buf_list[first].status = 0xff; in rx_free_frame_buffers()
4823 write_reg16(info, RXDMA + EDA, info->rx_buf_list_ex[first].phys_entry); in rx_free_frame_buffers()
4827 if (first == info->rx_buf_count) in rx_free_frame_buffers()
4832 info->current_rx_buf = first; in rx_free_frame_buffers()
4840 static bool rx_get_frame(SLMP_INFO *info) in rx_get_frame() argument
4847 struct tty_struct *tty = info->port.tty; in rx_get_frame()
4863 StartIndex = EndIndex = info->current_rx_buf; in rx_get_frame()
4866 desc = &info->rx_buf_list[EndIndex]; in rx_get_frame()
4867 desc_ex = &info->rx_buf_list_ex[EndIndex]; in rx_get_frame()
4872 if (framesize == 0 && info->params.addr_filter != 0xff) in rx_get_frame()
4882 if (EndIndex == info->rx_buf_count) in rx_get_frame()
4885 if (EndIndex == info->current_rx_buf) { in rx_get_frame()
4888 if ( info->rx_enabled ){ in rx_get_frame()
4889 spin_lock_irqsave(&info->lock,flags); in rx_get_frame()
4890 rx_start(info); in rx_get_frame()
4891 spin_unlock_irqrestore(&info->lock,flags); in rx_get_frame()
4914 if (info->params.crc_type == HDLC_CRC_NONE) in rx_get_frame()
4918 (addr_field != 0xff && addr_field != info->params.addr_filter)) { in rx_get_frame()
4922 rx_free_frame_buffers(info, StartIndex, EndIndex); in rx_get_frame()
4934 info->icount.rxshort++; in rx_get_frame()
4936 info->icount.rxabort++; in rx_get_frame()
4938 info->icount.rxover++; in rx_get_frame()
4940 info->icount.rxcrc++; in rx_get_frame()
4945 info->netdev->stats.rx_errors++; in rx_get_frame()
4946 info->netdev->stats.rx_frame_errors++; in rx_get_frame()
4953 __FILE__,__LINE__,info->device_name,status,framesize); in rx_get_frame()
4956 trace_block(info,info->rx_buf_list_ex[StartIndex].virt_addr, in rx_get_frame()
4960 if (framesize > info->max_frame_size) in rx_get_frame()
4961 info->icount.rxlong++; in rx_get_frame()
4966 unsigned char *ptmp = info->tmp_rx_buf; in rx_get_frame()
4967 info->tmp_rx_buf_count = framesize; in rx_get_frame()
4969 info->icount.rxok++; in rx_get_frame()
4974 info->rx_buf_list_ex[index].virt_addr, in rx_get_frame()
4979 if ( ++index == info->rx_buf_count ) in rx_get_frame()
4984 if (info->netcount) in rx_get_frame()
4985 hdlcdev_rx(info,info->tmp_rx_buf,framesize); in rx_get_frame()
4988 ldisc_receive_buf(tty,info->tmp_rx_buf, in rx_get_frame()
4989 info->flag_buf, framesize); in rx_get_frame()
4993 rx_free_frame_buffers( info, StartIndex, EndIndex ); in rx_get_frame()
4998 if ( info->rx_enabled && info->rx_overflow ) { in rx_get_frame()
5002 if (info->rx_buf_list[EndIndex].status == 0xff) { in rx_get_frame()
5003 spin_lock_irqsave(&info->lock,flags); in rx_get_frame()
5004 rx_start(info); in rx_get_frame()
5005 spin_unlock_irqrestore(&info->lock,flags); in rx_get_frame()
5014 static void tx_load_dma_buffer(SLMP_INFO *info, const char *buf, unsigned int count) in tx_load_dma_buffer() argument
5022 trace_block(info, buf, min_t(unsigned int, count, SCABUFSIZE), 1); in tx_load_dma_buffer()
5031 desc = &info->tx_buf_list[i]; in tx_load_dma_buffer()
5032 desc_ex = &info->tx_buf_list_ex[i]; in tx_load_dma_buffer()
5034 load_pci_memory(info, desc_ex->virt_addr,buf,copy_count); in tx_load_dma_buffer()
5046 if (i >= info->tx_buf_count) in tx_load_dma_buffer()
5050 info->tx_buf_list[i].status = 0x81; /* set EOM and EOT status */ in tx_load_dma_buffer()
5051 info->last_tx_buf = ++i; in tx_load_dma_buffer()
5054 static bool register_test(SLMP_INFO *info) in register_test() argument
5062 spin_lock_irqsave(&info->lock,flags); in register_test()
5063 reset_port(info); in register_test()
5066 info->init_error = DiagStatus_AddressFailure; in register_test()
5072 write_reg(info, TMC, testval[i]); in register_test()
5073 write_reg(info, IDL, testval[(i+1)%count]); in register_test()
5074 write_reg(info, SA0, testval[(i+2)%count]); in register_test()
5075 write_reg(info, SA1, testval[(i+3)%count]); in register_test()
5077 if ( (read_reg(info, TMC) != testval[i]) || in register_test()
5078 (read_reg(info, IDL) != testval[(i+1)%count]) || in register_test()
5079 (read_reg(info, SA0) != testval[(i+2)%count]) || in register_test()
5080 (read_reg(info, SA1) != testval[(i+3)%count]) ) in register_test()
5087 reset_port(info); in register_test()
5088 spin_unlock_irqrestore(&info->lock,flags); in register_test()
5093 static bool irq_test(SLMP_INFO *info) in irq_test() argument
5098 unsigned char timer = (info->port_num & 1) ? TIMER2 : TIMER0; in irq_test()
5100 spin_lock_irqsave(&info->lock,flags); in irq_test()
5101 reset_port(info); in irq_test()
5104 info->init_error = DiagStatus_IrqFailure; in irq_test()
5105 info->irq_occurred = false; in irq_test()
5110 write_reg(info, IER2, (unsigned char)((info->port_num & 1) ? BIT6 : BIT4)); in irq_test()
5112 write_reg(info, (unsigned char)(timer + TEPR), 0); /* timer expand prescale */ in irq_test()
5113 write_reg16(info, (unsigned char)(timer + TCONR), 1); /* timer constant */ in irq_test()
5126 write_reg(info, (unsigned char)(timer + TMCS), 0x50); in irq_test()
5128 spin_unlock_irqrestore(&info->lock,flags); in irq_test()
5131 while( timeout-- && !info->irq_occurred ) { in irq_test()
5135 spin_lock_irqsave(&info->lock,flags); in irq_test()
5136 reset_port(info); in irq_test()
5137 spin_unlock_irqrestore(&info->lock,flags); in irq_test()
5139 return info->irq_occurred; in irq_test()
5144 static bool sca_init(SLMP_INFO *info) in sca_init() argument
5147 write_reg(info, PABR0, 0); /* wait controller addr boundary 0 */ in sca_init()
5148 write_reg(info, PABR1, 0); /* wait controller addr boundary 1 */ in sca_init()
5149 write_reg(info, WCRL, 0); /* wait controller low range */ in sca_init()
5150 write_reg(info, WCRM, 0); /* wait controller mid range */ in sca_init()
5151 write_reg(info, WCRH, 0); /* wait controller high range */ in sca_init()
5162 write_reg(info, DPCR, dma_priority); in sca_init()
5165 write_reg(info, DMER, 0x80); in sca_init()
5168 write_reg(info, IER0, 0xff); /* TxRDY,RxRDY,TxINT,RxINT (ports 0-1) */ in sca_init()
5169 write_reg(info, IER1, 0xff); /* DMIB,DMIA (channels 0-3) */ in sca_init()
5170 write_reg(info, IER2, 0xf0); /* TIRQ (timers 0-3) */ in sca_init()
5178 write_reg(info, ITCR, 0); in sca_init()
5185 static bool init_adapter(SLMP_INFO *info) in init_adapter() argument
5190 volatile u32 *MiscCtrl = (u32 *)(info->lcr_base + 0x50); in init_adapter()
5193 info->misc_ctrl_value |= BIT30; in init_adapter()
5194 *MiscCtrl = info->misc_ctrl_value; in init_adapter()
5204 info->misc_ctrl_value &= ~BIT30; in init_adapter()
5205 *MiscCtrl = info->misc_ctrl_value; in init_adapter()
5208 info->ctrlreg_value = 0xaa; in init_adapter()
5209 write_control_reg(info); in init_adapter()
5212 volatile u32 *LCR1BRDR = (u32 *)(info->lcr_base + 0x2c); in init_adapter()
5235 sca_init(info->port_array[0]); in init_adapter()
5236 sca_init(info->port_array[2]); in init_adapter()
5244 static bool loopback_test(SLMP_INFO *info) in loopback_test() argument
5254 struct tty_struct *oldtty = info->port.tty; in loopback_test()
5255 u32 speed = info->params.clock_speed; in loopback_test()
5257 info->params.clock_speed = 3686400; in loopback_test()
5258 info->port.tty = NULL; in loopback_test()
5261 info->init_error = DiagStatus_DmaFailure; in loopback_test()
5267 memset(info->tmp_rx_buf,0,TESTFRAMESIZE); in loopback_test()
5270 spin_lock_irqsave(&info->lock,flags); in loopback_test()
5271 hdlc_mode(info); in loopback_test()
5272 enable_loopback(info,1); in loopback_test()
5273 rx_start(info); in loopback_test()
5274 info->tx_count = count; in loopback_test()
5275 tx_load_dma_buffer(info,buf,count); in loopback_test()
5276 tx_start(info); in loopback_test()
5277 spin_unlock_irqrestore(&info->lock,flags); in loopback_test()
5284 if (rx_get_frame(info)) { in loopback_test()
5292 ( info->tmp_rx_buf_count != count || in loopback_test()
5293 memcmp(buf, info->tmp_rx_buf,count))) { in loopback_test()
5297 spin_lock_irqsave(&info->lock,flags); in loopback_test()
5298 reset_adapter(info); in loopback_test()
5299 spin_unlock_irqrestore(&info->lock,flags); in loopback_test()
5301 info->params.clock_speed = speed; in loopback_test()
5302 info->port.tty = oldtty; in loopback_test()
5309 static int adapter_test( SLMP_INFO *info ) in adapter_test() argument
5314 __FILE__,__LINE__,info->device_name ); in adapter_test()
5316 spin_lock_irqsave(&info->lock,flags); in adapter_test()
5317 init_adapter(info); in adapter_test()
5318 spin_unlock_irqrestore(&info->lock,flags); in adapter_test()
5320 info->port_array[0]->port_count = 0; in adapter_test()
5322 if ( register_test(info->port_array[0]) && in adapter_test()
5323 register_test(info->port_array[1])) { in adapter_test()
5325 info->port_array[0]->port_count = 2; in adapter_test()
5327 if ( register_test(info->port_array[2]) && in adapter_test()
5328 register_test(info->port_array[3]) ) in adapter_test()
5329 info->port_array[0]->port_count += 2; in adapter_test()
5333 __FILE__,__LINE__,info->device_name, (unsigned long)(info->phys_sca_base)); in adapter_test()
5337 if ( !irq_test(info->port_array[0]) || in adapter_test()
5338 !irq_test(info->port_array[1]) || in adapter_test()
5339 (info->port_count == 4 && !irq_test(info->port_array[2])) || in adapter_test()
5340 (info->port_count == 4 && !irq_test(info->port_array[3]))) { in adapter_test()
5342 __FILE__,__LINE__,info->device_name, (unsigned short)(info->irq_level) ); in adapter_test()
5346 if (!loopback_test(info->port_array[0]) || in adapter_test()
5347 !loopback_test(info->port_array[1]) || in adapter_test()
5348 (info->port_count == 4 && !loopback_test(info->port_array[2])) || in adapter_test()
5349 (info->port_count == 4 && !loopback_test(info->port_array[3]))) { in adapter_test()
5351 __FILE__,__LINE__,info->device_name); in adapter_test()
5357 __FILE__,__LINE__,info->device_name ); in adapter_test()
5359 info->port_array[0]->init_error = 0; in adapter_test()
5360 info->port_array[1]->init_error = 0; in adapter_test()
5361 if ( info->port_count > 2 ) { in adapter_test()
5362 info->port_array[2]->init_error = 0; in adapter_test()
5363 info->port_array[3]->init_error = 0; in adapter_test()
5371 static bool memory_test(SLMP_INFO *info) in memory_test() argument
5378 unsigned long * addr = (unsigned long *)info->memory_base; in memory_test()
5396 addr = (unsigned long *)info->memory_base; in memory_test()
5404 memset( info->memory_base, 0, SCA_MEM_SIZE ); in memory_test()
5423 static void load_pci_memory(SLMP_INFO *info, char* dest, const char* src, unsigned short count) in load_pci_memory() argument
5434 read_status_reg(info); in load_pci_memory()
5442 static void trace_block(SLMP_INFO *info,const char* data, int count, int xmit) in trace_block() argument
5447 printk("%s tx data:\n",info->device_name); in trace_block()
5449 printk("%s rx data:\n",info->device_name); in trace_block()
5479 SLMP_INFO *info = (SLMP_INFO*)context; in tx_timeout() local
5484 __FILE__,__LINE__,info->device_name); in tx_timeout()
5485 if(info->tx_active && info->params.mode == MGSL_MODE_HDLC) { in tx_timeout()
5486 info->icount.txtimeout++; in tx_timeout()
5488 spin_lock_irqsave(&info->lock,flags); in tx_timeout()
5489 info->tx_active = false; in tx_timeout()
5490 info->tx_count = info->tx_put = info->tx_get = 0; in tx_timeout()
5492 spin_unlock_irqrestore(&info->lock,flags); in tx_timeout()
5495 if (info->netcount) in tx_timeout()
5496 hdlcdev_tx_done(info); in tx_timeout()
5499 bh_transmit(info); in tx_timeout()
5507 SLMP_INFO *info = (SLMP_INFO*)context; in status_timeout() local
5512 spin_lock_irqsave(&info->lock,flags); in status_timeout()
5513 get_signals(info); in status_timeout()
5514 spin_unlock_irqrestore(&info->lock,flags); in status_timeout()
5518 delta = info->old_signals ^ info->serial_signals; in status_timeout()
5519 info->old_signals = info->serial_signals; in status_timeout()
5522 status |= MISCSTATUS_DSR_LATCHED|(info->serial_signals&SerialSignal_DSR); in status_timeout()
5525 status |= MISCSTATUS_RI_LATCHED|(info->serial_signals&SerialSignal_RI); in status_timeout()
5528 status |= MISCSTATUS_DCD_LATCHED|(info->serial_signals&SerialSignal_DCD); in status_timeout()
5531 status |= MISCSTATUS_CTS_LATCHED|(info->serial_signals&SerialSignal_CTS); in status_timeout()
5534 isr_io_pin(info,status); in status_timeout()
5536 mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10)); in status_timeout()
5544 unsigned char * RegAddr = (unsigned char*)(info->sca_base + Addr); \
5545 if (info->port_num > 1) \
5547 if ( info->port_num & 1) { \
5555 static unsigned char read_reg(SLMP_INFO * info, unsigned char Addr) in read_reg() argument
5560 static void write_reg(SLMP_INFO * info, unsigned char Addr, unsigned char Value) in write_reg() argument
5566 static u16 read_reg16(SLMP_INFO * info, unsigned char Addr) in read_reg16() argument
5572 static void write_reg16(SLMP_INFO * info, unsigned char Addr, u16 Value) in write_reg16() argument
5578 static unsigned char read_status_reg(SLMP_INFO * info) in read_status_reg() argument
5580 unsigned char *RegAddr = (unsigned char *)info->statctrl_base; in read_status_reg()
5584 static void write_control_reg(SLMP_INFO * info) in write_control_reg() argument
5586 unsigned char *RegAddr = (unsigned char *)info->statctrl_base; in write_control_reg()
5587 *RegAddr = info->port_array[0]->ctrlreg_value; in write_control_reg()